115661032 has 8 divisors (see below), whose sum is σ = 216864450. Its totient is φ = 57830512.

The previous prime is 115661023. The next prime is 115661033. The reversal of 115661032 is 230166511.

It can be written as a sum of positive squares in only one way, i.e., 75794436 + 39866596 = 8706^2 + 6314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 115660988 and 115661006.

It is not an unprimeable number, because it can be changed into a prime (115661033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7228807 + ... + 7228822.

Almost surely, 2^115661032 is an apocalyptic number.

It is an amenable number.

115661032 is a deficient number, since it is larger than the sum of its proper divisors (101203418).

115661032 is a wasteful number, since it uses less digits than its factorization.

115661032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14457635 (or 14457631 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 115661032 is about 10754.5819072617. The cubic root of 115661032 is about 487.2243905200.

The spelling of 115661032 in words is "one hundred fifteen million, six hundred sixty-one thousand, thirty-two".