18157122255675 has 48 divisors (see below), whose sum is σ = 32331063679488. Its totient is φ = 8938317302400.

The previous prime is 18157122255673. The next prime is 18157122255691. The reversal of 18157122255675 is 57655222175181.

It is a happy number.

It is not a de Polignac number, because 18157122255675 - 2¹ = 18157122255673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18157122255673) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14806564 + ... + 15985886.

It is an arithmetic number, because the mean of its divisors is an integer number (673563826656).

Almost surely, 2^{18157122255675} is an apocalyptic number.

18157122255675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18157122255675 is a deficient number, since it is larger than the sum of its proper divisors (14173941423813).

18157122255675 is a wasteful number, since it uses less digits than its factorization.

18157122255675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195140 (or 1195135 counting only the distinct ones).

The product of its digits is 11760000, while the sum is 57.

The spelling of 18157122255675 in words is "eighteen trillion, one hundred fifty-seven billion, one hundred twenty-two million, two hundred fifty-five thousand, six hundred seventy-five".