102557881123732 has 24 divisors (see below), whose sum is σ = 180787284665064. Its totient is φ = 50904375140352.

The previous prime is 102557881123729. The next prime is 102557881123769. The reversal of 102557881123732 is 237321188755201.

It can be written as a sum of positive squares in 4 ways, for example, as 66050014477456 + 36507866646276 = 8127116^2 + 6042174^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142030548 + ... + 142750804.

It is an arithmetic number, because the mean of its divisors is an integer number (7532803527711).

Almost surely, 2^{102557881123732} is an apocalyptic number.

It is an amenable number.

102557881123732 is a deficient number, since it is larger than the sum of its proper divisors (78229403541332).

102557881123732 is a wasteful number, since it uses less digits than its factorization.

102557881123732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980235 (or 980233 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 102557881123732 in words is "one hundred two trillion, five hundred fifty-seven billion, eight hundred eighty-one million, one hundred twenty-three thousand, seven hundred thirty-two".