42071388051 has 64 divisors (see below), whose sum is σ = 72421217280. Its totient is φ = 21080424960.

The previous prime is 42071388049. The next prime is 42071388053. The reversal of 42071388051 is 15088317024.

It is an interprime number because it is at equal distance from previous prime (42071388049) and next prime (42071388053).

It is not a de Polignac number, because 42071388051 - 2¹ = 42071388049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42071388053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8284125 + ... + 8289201.

It is an arithmetic number, because the mean of its divisors is an integer number (1131581520).

Almost surely, 2^42071388051 is an apocalyptic number.

42071388051 is a deficient number, since it is larger than the sum of its proper divisors (30349829229).

42071388051 is a wasteful number, since it uses less digits than its factorization.

42071388051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 42071388051 in words is "forty-two billion, seventy-one million, three hundred eighty-eight thousand, fifty-one".