42875656451057 has 4 divisors (see below), whose sum is σ = 42875840555520. Its totient is φ = 42875472346596.

The previous prime is 42875656451053. The next prime is 42875656451077. The reversal of 42875656451057 is 75015465657824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42875656451057 - 2² = 42875656451053 is a prime.

It is a super-2 number, since 2×42875656451057² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42875656450984 and 42875656451002.

It is not an unprimeable number, because it can be changed into a prime (42875656451053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91702457 + ... + 92168822.

It is an arithmetic number, because the mean of its divisors is an integer number (10718960138880).

Almost surely, 2^{42875656451057} is an apocalyptic number.

It is an amenable number.

42875656451057 is a deficient number, since it is larger than the sum of its proper divisors (184104463).

42875656451057 is a wasteful number, since it uses less digits than its factorization.

42875656451057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184104462.

The product of its (nonzero) digits is 282240000, while the sum is 65.

The spelling of 42875656451057 in words is "forty-two trillion, eight hundred seventy-five billion, six hundred fifty-six million, four hundred fifty-one thousand, fifty-seven".