42660112631 has 2 divisors, whose sum is σ = 42660112632. Its totient is φ = 42660112630.

The previous prime is 42660112597. The next prime is 42660112667. The reversal of 42660112631 is 13621106624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42660112631 - 2⁶ = 42660112567 is a prime.

It is a super-2 number, since 2×42660112631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42660111631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21330056315 + 21330056316.

It is an arithmetic number, because the mean of its divisors is an integer number (21330056316).

Almost surely, 2^42660112631 is an apocalyptic number.

42660112631 is a deficient number, since it is larger than the sum of its proper divisors (1).

42660112631 is an equidigital number, since it uses as much as digits as its factorization.

42660112631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 42660112631 in words is "forty-two billion, six hundred sixty million, one hundred twelve thousand, six hundred thirty-one".