225144515541 has 16 divisors (see below), whose sum is σ = 328472322048. Its totient is φ = 136038975600.

The previous prime is 225144515537. The next prime is 225144515591. The reversal of 225144515541 is 145515441522.

It is not a de Polignac number, because 225144515541 - 2² = 225144515537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225144515541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225144515591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10295061 + ... + 10316906.

It is an arithmetic number, because the mean of its divisors is an integer number (20529520128).

Almost surely, 2^225144515541 is an apocalyptic number.

It is an amenable number.

225144515541 is a deficient number, since it is larger than the sum of its proper divisors (103327806507).

225144515541 is a wasteful number, since it uses less digits than its factorization.

225144515541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20612312.

The product of its digits is 160000, while the sum is 39.

The spelling of 225144515541 in words is "two hundred twenty-five billion, one hundred forty-four million, five hundred fifteen thousand, five hundred forty-one".