1155496032 has 72 divisors (see below), whose sum is σ = 3332281680. Its totient is φ = 379733760.

The previous prime is 1155496009. The next prime is 1155496123. The reversal of 1155496032 is 2306945511.

1155496032 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 49 + 603 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7807 + ... + 48702.

It is an arithmetic number, because the mean of its divisors is an integer number (46281690).

Almost surely, 2^1155496032 is an apocalyptic number.

1155496032 is a gapful number since it is divisible by the number (12) 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 1155496032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666140840).

1155496032 is an abundant number, since it is smaller than the sum of its proper divisors (2176785648).

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

1155496032 is a wasteful number, since it uses less digits than its factorization.

1155496032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56596 (or 56585 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1155496032 is about 33992.5878979521. The cubic root of 1155496032 is about 1049.3559260919.

The spelling of 1155496032 in words is "one billion, one hundred fifty-five million, four hundred ninety-six thousand, thirty-two".