115150515 has 16 divisors (see below), whose sum is σ = 184374528. Its totient is φ = 61369056.

The previous prime is 115150513. The next prime is 115150531. The reversal of 115150515 is 515051511.

It is not a de Polignac number, because 115150515 - 2¹ = 115150513 is a prime.

It is a super-2 number, since 2×115150515² = 26519282209530450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115150513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36012 + ... + 39078.

It is an arithmetic number, because the mean of its divisors is an integer number (11523408).

Almost surely, 2^115150515 is an apocalyptic number.

115150515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115150515 is a deficient number, since it is larger than the sum of its proper divisors (69224013).

115150515 is a wasteful number, since it uses less digits than its factorization.

115150515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578.

The product of its (nonzero) digits is 625, while the sum is 24.

The square root of 115150515 is about 10730.8207980564. The cubic root of 115150515 is about 486.5064788885.

It can be divided in two parts, 11 and 5150515, that multiplied together give a palindrome (56655665).

The spelling of 115150515 in words is "one hundred fifteen million, one hundred fifty thousand, five hundred fifteen".