115211154 has 8 divisors (see below), whose sum is σ = 230422320. Its totient is φ = 38403716.

The previous prime is 115211149. The next prime is 115211167. The reversal of 115211154 is 451112511.

It is a sphenic number, since it is the product of 3 distinct primes.

115211154 is an admirable number.

It is a super-2 number, since 2×115211154² = 26547220012023432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115211154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9600924 + ... + 9600935.

It is an arithmetic number, because the mean of its divisors is an integer number (28802790).

Almost surely, 2^115211154 is an apocalyptic number.

115211154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115211154 is a wasteful number, since it uses less digits than its factorization.

115211154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201864.

The product of its digits is 200, while the sum is 21.

The square root of 115211154 is about 10733.6458857184. The cubic root of 115211154 is about 486.5918630467.

Adding to 115211154 its reverse (451112511), we get a palindrome (566323665).

The spelling of 115211154 in words is "one hundred fifteen million, two hundred eleven thousand, one hundred fifty-four".