42656136061 has 24 divisors (see below), whose sum is σ = 55283112576. Its totient is φ = 32531325120.

The previous prime is 42656136043. The next prime is 42656136077. The reversal of 42656136061 is 16063165624.

It is not a de Polignac number, because 42656136061 - 2⁷ = 42656135933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42656136011) 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, 816576 + ... + 867241.

It is an arithmetic number, because the mean of its divisors is an integer number (2303463024).

Almost surely, 2^42656136061 is an apocalyptic number.

It is an amenable number.

42656136061 is a deficient number, since it is larger than the sum of its proper divisors (12626976515).

42656136061 is a wasteful number, since it uses less digits than its factorization.

42656136061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683889 (or 1683882 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 42656136061 in words is "forty-two billion, six hundred fifty-six million, one hundred thirty-six thousand, sixty-one".