42011056257 has 8 divisors (see below), whose sum is σ = 56022233376. Its totient is φ = 28003624992.

The previous prime is 42011056211. The next prime is 42011056303. The reversal of 42011056257 is 75265011024.

It is an interprime number because it is at equal distance from previous prime (42011056211) and next prime (42011056303).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42011056257 - 2³⁵ = 7651317889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42011056357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910188 + ... + 955229.

It is an arithmetic number, because the mean of its divisors is an integer number (7002779172).

Almost surely, 2^42011056257 is an apocalyptic number.

It is an amenable number.

42011056257 is a deficient number, since it is larger than the sum of its proper divisors (14011177119).

42011056257 is a wasteful number, since it uses less digits than its factorization.

42011056257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872927.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 42011056257 in words is "forty-two billion, eleven million, fifty-six thousand, two hundred fifty-seven".