42037878051 has 24 divisors (see below), whose sum is σ = 65420971616. Its totient is φ = 25858103040.

The previous prime is 42037878049. The next prime is 42037878121. The reversal of 42037878051 is 15087873024.

42037878051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42037878051 - 2¹ = 42037878049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42037877988 and 42037878006.

It is not an unprimeable number, because it can be changed into a prime (42037877051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192651 + ... + 348123.

Almost surely, 2^42037878051 is an apocalyptic number.

42037878051 is a deficient number, since it is larger than the sum of its proper divisors (23383093565).

42037878051 is a wasteful number, since it uses less digits than its factorization.

42037878051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157803 (or 157800 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 42037878051 in words is "forty-two billion, thirty-seven million, eight hundred seventy-eight thousand, fifty-one".