1153899648 has 256 divisors, whose sum is σ = 3760128000. Its totient is φ = 345461760.

The previous prime is 1153899641. The next prime is 1153899683. The reversal of 1153899648 is 8469983511.

1153899648 is a `hidden beast` number, since 11 + 538 + 9 + 96 + 4 + 8 = 666.

It is a super-3 number, since 3×1153899648³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1153899594 and 1153899603.

It is not an unprimeable number, because it can be changed into a prime (1153899641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4827913 + ... + 4828151.

It is an arithmetic number, because the mean of its divisors is an integer number (14688000).

Almost surely, 2^1153899648 is an apocalyptic number.

1153899648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153899648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880064000).

1153899648 is an abundant number, since it is smaller than the sum of its proper divisors (2606228352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153899648 is a wasteful number, since it uses less digits than its factorization.

1153899648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 382 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 1153899648 is about 33969.0984278358. The cubic root of 1153899648 is about 1048.8724549225.

The spelling of 1153899648 in words is "one billion, one hundred fifty-three million, eight hundred ninety-nine thousand, six hundred forty-eight".