115133651 has 4 divisors (see below), whose sum is σ = 115313352. Its totient is φ = 114953952.

The previous prime is 115133647. The next prime is 115133663. The reversal of 115133651 is 156331511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115133651 - 2² = 115133647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115133651.

It is not an unprimeable number, because it can be changed into a prime (115133611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88886 + ... + 90171.

It is an arithmetic number, because the mean of its divisors is an integer number (28828338).

Almost surely, 2^115133651 is an apocalyptic number.

115133651 is a deficient number, since it is larger than the sum of its proper divisors (179701).

115133651 is an equidigital number, since it uses as much as digits as its factorization.

115133651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179700.

The product of its digits is 1350, while the sum is 26.

The square root of 115133651 is about 10730.0349952831. The cubic root of 115133651 is about 486.4827278128.

The spelling of 115133651 in words is "one hundred fifteen million, one hundred thirty-three thousand, six hundred fifty-one".