125004455451 has 12 divisors (see below), whose sum is σ = 181478552112. Its totient is φ = 82913275536.

The previous prime is 125004455357. The next prime is 125004455453. The reversal of 125004455451 is 154554400521.

125004455451 is a `hidden beast` number, since 1 + 2 + 50 + 0 + 4 + 4 + 554 + 51 = 666.

It is not a de Polignac number, because 125004455451 - 2¹⁰ = 125004454427 is a prime.

It is a super-2 number, since 2×125004455451² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125004455453) 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, 35250471 + ... + 35254016.

It is an arithmetic number, because the mean of its divisors is an integer number (15123212676).

Almost surely, 2^125004455451 is an apocalyptic number.

125004455451 is a deficient number, since it is larger than the sum of its proper divisors (56474096661).

125004455451 is a wasteful number, since it uses less digits than its factorization.

125004455451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70504690 (or 70504687 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 125004455451 its reverse (154554400521), we get a palindrome (279558855972).

The spelling of 125004455451 in words is "one hundred twenty-five billion, four million, four hundred fifty-five thousand, four hundred fifty-one".