42056135312 has 20 divisors (see below), whose sum is σ = 81520030896. Its totient is φ = 21018708000.

The previous prime is 42056135299. The next prime is 42056135323. The reversal of 42056135312 is 21353165024.

It is a happy number.

42056135312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547838 + ... + 619869.

Almost surely, 2^42056135312 is an apocalyptic number.

It is an amenable number.

42056135312 is a deficient number, since it is larger than the sum of its proper divisors (39463895584).

42056135312 is a wasteful number, since it uses less digits than its factorization.

42056135312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169966 (or 1169960 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 42056135312 in words is "forty-two billion, fifty-six million, one hundred thirty-five thousand, three hundred twelve".