12357471955 has 16 divisors (see below), whose sum is σ = 16084220544. Its totient is φ = 9077509120.

The previous prime is 12357471949. The next prime is 12357471979. The reversal of 12357471955 is 55917475321.

It is not a de Polignac number, because 12357471955 - 2⁷ = 12357471827 is a prime.

It is a super-2 number, since 2×12357471955² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12357471899 and 12357471908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1769467 + ... + 1776436.

It is an arithmetic number, because the mean of its divisors is an integer number (1005263784).

Almost surely, 2^12357471955 is an apocalyptic number.

12357471955 is a deficient number, since it is larger than the sum of its proper divisors (3726748589).

12357471955 is a wasteful number, since it uses less digits than its factorization.

12357471955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545966.

The product of its digits is 1323000, while the sum is 49.

The spelling of 12357471955 in words is "twelve billion, three hundred fifty-seven million, four hundred seventy-one thousand, nine hundred fifty-five".