18472857400131 has 8 divisors (see below), whose sum is σ = 25034254837584. Its totient is φ = 12113349114720.

The previous prime is 18472857400117. The next prime is 18472857400163. The reversal of 18472857400131 is 13100475827481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18472857400131 - 2²³ = 18472849011523 is a prime.

It is a super-2 number, since 2×18472857400131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18472857410131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50472287796 + ... + 50472288161.

It is an arithmetic number, because the mean of its divisors is an integer number (3129281854698).

Almost surely, 2^{18472857400131} is an apocalyptic number.

18472857400131 is a deficient number, since it is larger than the sum of its proper divisors (6561397437453).

18472857400131 is a wasteful number, since it uses less digits than its factorization.

18472857400131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100944576021.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 18472857400131 in words is "eighteen trillion, four hundred seventy-two billion, eight hundred fifty-seven million, four hundred thousand, one hundred thirty-one".