115213651 has 12 divisors (see below), whose sum is σ = 134221320. Its totient is φ = 98609280.

The previous prime is 115213643. The next prime is 115213667. The reversal of 115213651 is 156312511.

It is a happy number.

It is not a de Polignac number, because 115213651 - 2³ = 115213643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115213051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44256 + ... + 46786.

It is an arithmetic number, because the mean of its divisors is an integer number (11185110).

Almost surely, 2^115213651 is an apocalyptic number.

115213651 is a deficient number, since it is larger than the sum of its proper divisors (19007669).

115213651 is an equidigital number, since it uses as much as digits as its factorization.

115213651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474 (or 3467 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 115213651 is about 10733.7622015769. The cubic root of 115213651 is about 486.5953783635.

The spelling of 115213651 in words is "one hundred fifteen million, two hundred thirteen thousand, six hundred fifty-one".