102618481005825 has 48 divisors (see below), whose sum is σ = 169864750876800. Its totient is φ = 54664638635520.

The previous prime is 102618481005797. The next prime is 102618481005847. The reversal of 102618481005825 is 528500184816201.

It is not a de Polignac number, because 102618481005825 - 2⁵ = 102618481005793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2173774372 + ... + 2173821578.

It is an arithmetic number, because the mean of its divisors is an integer number (3538848976600).

Almost surely, 2^{102618481005825} is an apocalyptic number.

102618481005825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102618481005825 is a deficient number, since it is larger than the sum of its proper divisors (67246269870975).

102618481005825 is a wasteful number, since it uses less digits than its factorization.

102618481005825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81146 (or 81141 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 51.

The spelling of 102618481005825 in words is "one hundred two trillion, six hundred eighteen billion, four hundred eighty-one million, five thousand, eight hundred twenty-five".