1150011648 has 144 divisors (see below), whose sum is σ = 3601200960. Its totient is φ = 360751104.

The previous prime is 1150011641. The next prime is 1150011671. The reversal of 1150011648 is 8461100511.

1150011648 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 0 + 11 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1150011641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112611 + ... + 122397.

It is an arithmetic number, because the mean of its divisors is an integer number (25008340).

Almost surely, 2^1150011648 is an apocalyptic number.

1150011648 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 1150011648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800600480).

1150011648 is an abundant number, since it is smaller than the sum of its proper divisors (2451189312).

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

1150011648 is an equidigital number, since it uses as much as digits as its factorization.

1150011648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9829 (or 9809 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 1150011648 is about 33911.8216555820. The cubic root of 1150011648 is about 1047.6930904026.

The spelling of 1150011648 in words is "one billion, one hundred fifty million, eleven thousand, six hundred forty-eight".