22515541141 has 4 divisors (see below), whose sum is σ = 22546512352. Its totient is φ = 22484569932.

The previous prime is 22515541129. The next prime is 22515541163. The reversal of 22515541141 is 14114551522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22515541141 - 2⁵ = 22515541109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22515841141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15484515 + ... + 15485968.

It is an arithmetic number, because the mean of its divisors is an integer number (5636628088).

Almost surely, 2^22515541141 is an apocalyptic number.

It is an amenable number.

22515541141 is a deficient number, since it is larger than the sum of its proper divisors (30971211).

22515541141 is an equidigital number, since it uses as much as digits as its factorization.

22515541141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30971210.

The product of its digits is 8000, while the sum is 31.

The spelling of 22515541141 in words is "twenty-two billion, five hundred fifteen million, five hundred forty-one thousand, one hundred forty-one".