42111185256 has 120 divisors (see below), whose sum is σ = 137207607570. Its totient is φ = 12031758144.

The previous prime is 42111185243. The next prime is 42111185267. The reversal of 42111185256 is 65258111124.

42111185256 is a `hidden beast` number, since 4 + 2 + 11 + 118 + 525 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41922562500 + 188622756 = 204750^2 + 13734^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42111185256.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 631375 + ... + 694878.

Almost surely, 2^42111185256 is an apocalyptic number.

It is an amenable number.

42111185256 is an abundant number, since it is smaller than the sum of its proper divisors (95096422314).

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

42111185256 is a wasteful number, since it uses less digits than its factorization.

42111185256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326285 (or 1326265 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The spelling of 42111185256 in words is "forty-two billion, one hundred eleven million, one hundred eighty-five thousand, two hundred fifty-six".