100155791605425 has 48 divisors (see below), whose sum is σ = 168110974970880. Its totient is φ = 52603958341440.

The previous prime is 100155791605417. The next prime is 100155791605447. The reversal of 100155791605425 is 524506197551001.

It is not a de Polignac number, because 100155791605425 - 2³ = 100155791605417 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, 14523796 + ... + 20279354.

It is an arithmetic number, because the mean of its divisors is an integer number (3502311978560).

Almost surely, 2^{100155791605425} is an apocalyptic number.

100155791605425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100155791605425 is a deficient number, since it is larger than the sum of its proper divisors (67955183365455).

100155791605425 is a wasteful number, since it uses less digits than its factorization.

100155791605425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759102 (or 5759097 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 51.

The spelling of 100155791605425 in words is "one hundred trillion, one hundred fifty-five billion, seven hundred ninety-one million, six hundred five thousand, four hundred twenty-five".