4012139755791 has 16 divisors (see below), whose sum is σ = 5967591678720. Its totient is φ = 2664103419000.

The previous prime is 4012139755783. The next prime is 4012139755843. The reversal of 4012139755791 is 1975579312104.

4012139755791 is a `hidden beast` number, since 40 + 1 + 21 + 3 + 9 + 7 + 5 + 579 + 1 = 666.

It is not a de Polignac number, because 4012139755791 - 2³ = 4012139755783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012139755711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296004715 + ... + 296018268.

It is an arithmetic number, because the mean of its divisors is an integer number (372974479920).

Almost surely, 2^{4012139755791} is an apocalyptic number.

4012139755791 is a deficient number, since it is larger than the sum of its proper divisors (1955451922929).

4012139755791 is a wasteful number, since it uses less digits than its factorization.

4012139755791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592023243 (or 592023237 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The spelling of 4012139755791 in words is "four trillion, twelve billion, one hundred thirty-nine million, seven hundred fifty-five thousand, seven hundred ninety-one".