115505236 has 24 divisors (see below), whose sum is σ = 252012096. Its totient is φ = 45001920.

The previous prime is 115505227. The next prime is 115505239. The reversal of 115505236 is 632505511.

115505236 = T₂₇₈ + T₂₇₉ + ... + T₈₉₃.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115505239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187201 + ... + 187816.

It is an arithmetic number, because the mean of its divisors is an integer number (10500504).

Almost surely, 2^115505236 is an apocalyptic number.

It is an amenable number.

115505236 is an abundant number, since it is smaller than the sum of its proper divisors (136506860).

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

115505236 is a wasteful number, since it uses less digits than its factorization.

115505236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375039 (or 375037 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 115505236 is about 10747.3362281079. The cubic root of 115505236 is about 487.0055276411.

The spelling of 115505236 in words is "one hundred fifteen million, five hundred five thousand, two hundred thirty-six".