115550415 has 32 divisors (see below), whose sum is σ = 205920000. Its totient is φ = 61477920.

The previous prime is 115550399. The next prime is 115550429. The reversal of 115550415 is 514055511.

115550415 is a `hidden beast` number, since 1 + 155 + 504 + 1 + 5 = 666.

It is not a de Polignac number, because 115550415 - 2⁴ = 115550399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76336 + ... + 77834.

It is an arithmetic number, because the mean of its divisors is an integer number (6435000).

Almost surely, 2^115550415 is an apocalyptic number.

115550415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115550415 is a deficient number, since it is larger than the sum of its proper divisors (90369585).

115550415 is a wasteful number, since it uses less digits than its factorization.

115550415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 2078 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 115550415 is about 10749.4378922807. The cubic root of 115550415 is about 487.0690155413.

The spelling of 115550415 in words is "one hundred fifteen million, five hundred fifty thousand, four hundred fifteen".