125404405151 has 16 divisors (see below), whose sum is σ = 128884608000. Its totient is φ = 121959080928.

The previous prime is 125404405033. The next prime is 125404405171. The reversal of 125404405151 is 151504404521.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125404405151 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 (125404405171) 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, 13026926 + ... + 13036548.

It is an arithmetic number, because the mean of its divisors is an integer number (8055288000).

Almost surely, 2^125404405151 is an apocalyptic number.

125404405151 is a deficient number, since it is larger than the sum of its proper divisors (3480202849).

125404405151 is a wasteful number, since it uses less digits than its factorization.

125404405151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 125404405151 its reverse (151504404521), we get a palindrome (276908809672).

The spelling of 125404405151 in words is "one hundred twenty-five billion, four hundred four million, four hundred five thousand, one hundred fifty-one".