113155550 has 24 divisors (see below), whose sum is σ = 210763296. Its totient is φ = 45199040.

The previous prime is 113155543. The next prime is 113155577. The reversal of 113155550 is 55551311.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53819 + ... + 55881.

It is an arithmetic number, because the mean of its divisors is an integer number (8781804).

Almost surely, 2^113155550 is an apocalyptic number.

113155550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113155550 is a deficient number, since it is larger than the sum of its proper divisors (97607746).

113155550 is a wasteful number, since it uses less digits than its factorization.

113155550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172 (or 3167 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 113155550 is about 10637.4597531554. The cubic root of 113155550 is about 483.6805458624.

The spelling of 113155550 in words is "one hundred thirteen million, one hundred fifty-five thousand, five hundred fifty".