111142386774 has 12 divisors (see below), whose sum is σ = 240808504716. Its totient is φ = 37047462252.

The previous prime is 111142386763. The next prime is 111142386779. The reversal of 111142386774 is 477683241111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111142386779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3087288504 + ... + 3087288539.

It is an arithmetic number, because the mean of its divisors is an integer number (20067375393).

Almost surely, 2^111142386774 is an apocalyptic number.

111142386774 is an abundant number, since it is smaller than the sum of its proper divisors (129666117942).

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

111142386774 is a wasteful number, since it uses less digits than its factorization.

111142386774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174577051 (or 6174577048 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The spelling of 111142386774 in words is "one hundred eleven billion, one hundred forty-two million, three hundred eighty-six thousand, seven hundred seventy-four".