22145111254431 has 12 divisors (see below), whose sum is σ = 34895326825320. Its totient is φ = 13421279548080.

The previous prime is 22145111254423. The next prime is 22145111254433. The reversal of 22145111254431 is 13445211154122.

22145111254431 is a `hidden beast` number, since 2 + 2 + 1 + 451 + 112 + 54 + 43 + 1 = 666.

It is not a de Polignac number, because 22145111254431 - 2³ = 22145111254423 is a prime.

It is a super-2 number, since 2×22145111254431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145111254433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111843996136 + ... + 111843996333.

It is an arithmetic number, because the mean of its divisors is an integer number (2907943902110).

Almost surely, 2^{22145111254431} is an apocalyptic number.

22145111254431 is a deficient number, since it is larger than the sum of its proper divisors (12750215570889).

22145111254431 is a wasteful number, since it uses less digits than its factorization.

22145111254431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223687992486 (or 223687992483 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The spelling of 22145111254431 in words is "twenty-two trillion, one hundred forty-five billion, one hundred eleven million, two hundred fifty-four thousand, four hundred thirty-one".