115521632 has 12 divisors (see below), whose sum is σ = 227433276. Its totient is φ = 57760800.

The previous prime is 115521631. The next prime is 115521667. The reversal of 115521632 is 236125511.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115521631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804994 + ... + 1805057.

It is an arithmetic number, because the mean of its divisors is an integer number (18952773).

Almost surely, 2^115521632 is an apocalyptic number.

It is an amenable number.

115521632 is a deficient number, since it is larger than the sum of its proper divisors (111911644).

115521632 is an equidigital number, since it uses as much as digits as its factorization.

115521632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610061 (or 3610053 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 115521632 is about 10748.0989947060. The cubic root of 115521632 is about 487.0285700737.

The spelling of 115521632 in words is "one hundred fifteen million, five hundred twenty-one thousand, six hundred thirty-two".