42625636911 has 60 divisors (see below), whose sum is σ = 75374333496. Its totient is φ = 23846438880.

The previous prime is 42625636897. The next prime is 42625636927. The reversal of 42625636911 is 11963652624.

42625636911 is a `hidden beast` number, since 4 + 2 + 6 + 2 + 5 + 636 + 9 + 1 + 1 = 666.

It is not a de Polignac number, because 42625636911 - 2³⁰ = 41551895087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42625636111) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 39861 + ... + 294686.

Almost surely, 2^42625636911 is an apocalyptic number.

42625636911 is a deficient number, since it is larger than the sum of its proper divisors (32748696585).

42625636911 is a wasteful number, since it uses less digits than its factorization.

42625636911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334594 (or 334574 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 42625636911 in words is "forty-two billion, six hundred twenty-five million, six hundred thirty-six thousand, nine hundred eleven".