48318905778591 has 16 divisors (see below), whose sum is σ = 76167733248000. Its totient is φ = 26658706636128.

The previous prime is 48318905778523. The next prime is 48318905778601. The reversal of 48318905778591 is 19587750981384.

It is not a de Polignac number, because 48318905778591 - 2²² = 48318901584287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48318905778191) 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, 39670693791 + ... + 39670695008.

It is an arithmetic number, because the mean of its divisors is an integer number (4760483328000).

Almost surely, 2^{48318905778591} is an apocalyptic number.

48318905778591 is a deficient number, since it is larger than the sum of its proper divisors (27848827469409).

48318905778591 is a wasteful number, since it uses less digits than its factorization.

48318905778591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79341388838.

The product of its (nonzero) digits is 609638400, while the sum is 75.

The spelling of 48318905778591 in words is "forty-eight trillion, three hundred eighteen billion, nine hundred five million, seven hundred seventy-eight thousand, five hundred ninety-one".