18805150828131 has 8 divisors (see below), whose sum is σ = 26163688108800. Its totient is φ = 11991690383112.

The previous prime is 18805150828117. The next prime is 18805150828159. The reversal of 18805150828131 is 13182805150881.

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

It is not a de Polignac number, because 18805150828131 - 2⁷ = 18805150828003 is a prime.

It is a super-2 number, since 2×18805150828131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18805150821131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136269208831 + ... + 136269208968.

It is an arithmetic number, because the mean of its divisors is an integer number (3270461013600).

Almost surely, 2^{18805150828131} is an apocalyptic number.

18805150828131 is a deficient number, since it is larger than the sum of its proper divisors (7358537280669).

18805150828131 is a wasteful number, since it uses less digits than its factorization.

18805150828131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272538417825.

The product of its (nonzero) digits is 614400, while the sum is 51.

The spelling of 18805150828131 in words is "eighteen trillion, eight hundred five billion, one hundred fifty million, eight hundred twenty-eight thousand, one hundred thirty-one".