125421145113 has 16 divisors (see below), whose sum is σ = 182459750400. Its totient is φ = 76000734480.

The previous prime is 125421145111. The next prime is 125421145127. The reversal of 125421145113 is 311541124521.

It is not a de Polignac number, because 125421145113 - 2¹ = 125421145111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125421145111) 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, 88993 + ... + 508686.

It is an arithmetic number, because the mean of its divisors is an integer number (11403734400).

Almost surely, 2^125421145113 is an apocalyptic number.

It is an amenable number.

125421145113 is a deficient number, since it is larger than the sum of its proper divisors (57038605287).

125421145113 is a wasteful number, since it uses less digits than its factorization.

125421145113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604052.

The product of its digits is 4800, while the sum is 30.

Adding to 125421145113 its reverse (311541124521), we get a palindrome (436962269634).

The spelling of 125421145113 in words is "one hundred twenty-five billion, four hundred twenty-one million, one hundred forty-five thousand, one hundred thirteen".