115081512 has 256 divisors, whose sum is σ = 387072000. Its totient is φ = 27675648.

The previous prime is 115081493. The next prime is 115081529. The reversal of 115081512 is 215180511.

It is a super-3 number, since 3×115081512³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1456689 + ... + 1456767.

It is an arithmetic number, because the mean of its divisors is an integer number (1512000).

Almost surely, 2^115081512 is an apocalyptic number.

115081512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115081512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193536000).

115081512 is an abundant number, since it is smaller than the sum of its proper divisors (271990488).

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

115081512 is a wasteful number, since it uses less digits than its factorization.

115081512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 24.

The square root of 115081512 is about 10727.6051381471. The cubic root of 115081512 is about 486.4092811342.

The spelling of 115081512 in words is "one hundred fifteen million, eighty-one thousand, five hundred twelve".