15055401405121 has 24 divisors (see below), whose sum is σ = 18918025931840. Its totient is φ = 11728097520480.

The previous prime is 15055401405113. The next prime is 15055401405127. The reversal of 15055401405121 is 12150410455051.

It is not a de Polignac number, because 15055401405121 - 2³ = 15055401405113 is a prime.

It is a super-2 number, since 2×15055401405121² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15055401405127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376270 + ... + 5500216.

Almost surely, 2^{15055401405121} is an apocalyptic number.

15055401405121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15055401405121 is a deficient number, since it is larger than the sum of its proper divisors (3862624526719).

15055401405121 is a wasteful number, since it uses less digits than its factorization.

15055401405121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127445 (or 5127434 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 15055401405121 in words is "fifteen trillion, fifty-five billion, four hundred one million, four hundred five thousand, one hundred twenty-one".