125503403151 has 8 divisors (see below), whose sum is σ = 191243281024. Its totient is φ = 71716230360.

The previous prime is 125503403147. The next prime is 125503403161. The reversal of 125503403151 is 151304305521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125503403151 - 2² = 125503403147 is a prime.

It is a super-2 number, since 2×125503403151² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125503403161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2988176245 + ... + 2988176286.

It is an arithmetic number, because the mean of its divisors is an integer number (23905410128).

Almost surely, 2^125503403151 is an apocalyptic number.

125503403151 is a deficient number, since it is larger than the sum of its proper divisors (65739877873).

125503403151 is an equidigital number, since it uses as much as digits as its factorization.

125503403151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976352541.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 125503403151 its reverse (151304305521), we get a palindrome (276807708672).

The spelling of 125503403151 in words is "one hundred twenty-five billion, five hundred three million, four hundred three thousand, one hundred fifty-one".