885639755131 has 2 divisors, whose sum is σ = 885639755132. Its totient is φ = 885639755130.

The previous prime is 885639755083. The next prime is 885639755137. The reversal of 885639755131 is 131557936588.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 885639755131 - 2¹⁷ = 885639624059 is a prime.

It is a super-2 number, since 2×885639755131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 885639755131.

It is not a weakly prime, because it can be changed into another prime (885639755137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442819877565 + 442819877566.

It is an arithmetic number, because the mean of its divisors is an integer number (442819877566).

Almost surely, 2^885639755131 is an apocalyptic number.

885639755131 is a deficient number, since it is larger than the sum of its proper divisors (1).

885639755131 is an equidigital number, since it uses as much as digits as its factorization.

885639755131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216000, while the sum is 61.

The spelling of 885639755131 in words is "eight hundred eighty-five billion, six hundred thirty-nine million, seven hundred fifty-five thousand, one hundred thirty-one".