113231120178 has 16 divisors (see below), whose sum is σ = 247049716896. Its totient is φ = 34312460640.

The previous prime is 113231120161. The next prime is 113231120207. The reversal of 113231120178 is 871021132311.

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 7 ways as a sum of consecutive naturals, for example, 857811451 + ... + 857811582.

It is an arithmetic number, because the mean of its divisors is an integer number (15440607306).

Almost surely, 2^113231120178 is an apocalyptic number.

113231120178 is an abundant number, since it is smaller than the sum of its proper divisors (133818596718).

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

113231120178 is a wasteful number, since it uses less digits than its factorization.

113231120178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715623049.

The product of its (nonzero) digits is 2016, while the sum is 30.

Adding to 113231120178 its reverse (871021132311), we get a palindrome (984252252489).

The spelling of 113231120178 in words is "one hundred thirteen billion, two hundred thirty-one million, one hundred twenty thousand, one hundred seventy-eight".