42881850586531 has 16 divisors (see below), whose sum is σ = 46810836334080. Its totient is φ = 38957972915680.

The previous prime is 42881850586517. The next prime is 42881850586543. The reversal of 42881850586531 is 13568505818824.

It is a cyclic number.

It is not a de Polignac number, because 42881850586531 - 2⁵ = 42881850586499 is a prime.

It is a super-2 number, since 2×42881850586531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42881850586931) 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, 600659820 + ... + 600731206.

It is an arithmetic number, because the mean of its divisors is an integer number (2925677270880).

Almost surely, 2^{42881850586531} is an apocalyptic number.

42881850586531 is a deficient number, since it is larger than the sum of its proper divisors (3928985747549).

42881850586531 is a wasteful number, since it uses less digits than its factorization.

42881850586531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106394.

The product of its (nonzero) digits is 73728000, while the sum is 64.

The spelling of 42881850586531 in words is "forty-two trillion, eight hundred eighty-one billion, eight hundred fifty million, five hundred eighty-six thousand, five hundred thirty-one".