115451512 has 32 divisors (see below), whose sum is σ = 238820400. Its totient is φ = 51884800.

The previous prime is 115451503. The next prime is 115451521. The reversal of 115451512 is 215154511.

It is an interprime number because it is at equal distance from previous prime (115451503) and next prime (115451521).

It is a super-2 number, since 2×115451512² = 26658103246172288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462 + ... + 15202.

Almost surely, 2^115451512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115451512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119410200).

115451512 is an abundant number, since it is smaller than the sum of its proper divisors (123368888).

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

115451512 is a wasteful number, since it uses less digits than its factorization.

115451512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14847 (or 14843 counting only the distinct ones).

The product of its digits is 1000, while the sum is 25.

The square root of 115451512 is about 10744.8365273744. The cubic root of 115451512 is about 486.9300103071.

The spelling of 115451512 in words is "one hundred fifteen million, four hundred fifty-one thousand, five hundred twelve".