1155325248 has 448 divisors, whose sum is σ = 4467148800. Its totient is φ = 283668480.

The previous prime is 1155325243. The next prime is 1155325261. The reversal of 1155325248 is 8425235511.

1155325248 is a `hidden beast` number, since 11 + 553 + 2 + 52 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155325243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2527836 + ... + 2528292.

Almost surely, 2^1155325248 is an apocalyptic number.

1155325248 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 1155325248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2233574400).

1155325248 is an abundant number, since it is smaller than the sum of its proper divisors (3311823552).

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

1155325248 is a wasteful number, since it uses less digits than its factorization.

1155325248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 499 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 1155325248 is about 33990.0757280710. The cubic root of 1155325248 is about 1049.3042247655.

The spelling of 1155325248 in words is "one billion, one hundred fifty-five million, three hundred twenty-five thousand, two hundred forty-eight".