42500211211966 has 16 divisors (see below), whose sum is σ = 64212101654400. Its totient is φ = 21096192324888.

The previous prime is 42500211211963. The next prime is 42500211211967. The reversal of 42500211211966 is 66911211200524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500211211963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944015 + ... + 9422293.

It is an arithmetic number, because the mean of its divisors is an integer number (4013256353400).

Almost surely, 2^{42500211211966} is an apocalyptic number.

42500211211966 is a deficient number, since it is larger than the sum of its proper divisors (21711890442434).

42500211211966 is a wasteful number, since it uses less digits than its factorization.

42500211211966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498863.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 42500211211966 in words is "forty-two trillion, five hundred billion, two hundred eleven million, two hundred eleven thousand, nine hundred sixty-six".