125255445321 has 32 divisors (see below), whose sum is σ = 183478256640. Its totient is φ = 75653607744.

The previous prime is 125255445311. The next prime is 125255445361. The reversal of 125255445321 is 123544552521.

It is not a de Polignac number, because 125255445321 - 2⁶ = 125255445257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125255445321.

It is not an unprimeable number, because it can be changed into a prime (125255445311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11409391 + ... + 11420363.

It is an arithmetic number, because the mean of its divisors is an integer number (5733695520).

Almost surely, 2^125255445321 is an apocalyptic number.

It is an amenable number.

125255445321 is a deficient number, since it is larger than the sum of its proper divisors (58222811319).

125255445321 is a wasteful number, since it uses less digits than its factorization.

125255445321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19725.

The product of its digits is 240000, while the sum is 39.

Adding to 125255445321 its reverse (123544552521), we get a palindrome (248799997842).

The spelling of 125255445321 in words is "one hundred twenty-five billion, two hundred fifty-five million, four hundred forty-five thousand, three hundred twenty-one".