113218554 has 8 divisors (see below), whose sum is σ = 226437120. Its totient is φ = 37739516.

The previous prime is 113218537. The next prime is 113218561. The reversal of 113218554 is 455812311.

It is a sphenic number, since it is the product of 3 distinct primes.

113218554 is an admirable number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 9434874 + ... + 9434885.

It is an arithmetic number, because the mean of its divisors is an integer number (28304640).

Almost surely, 2^113218554 is an apocalyptic number.

113218554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

113218554 is a wasteful number, since it uses less digits than its factorization.

113218554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18869764.

The product of its digits is 4800, while the sum is 30.

The square root of 113218554 is about 10640.4207623571. The cubic root of 113218554 is about 483.7702988765.

The spelling of 113218554 in words is "one hundred thirteen million, two hundred eighteen thousand, five hundred fifty-four".