125252415455 has 16 divisors (see below), whose sum is σ = 151969898304. Its totient is φ = 99092198400.

The previous prime is 125252415437. The next prime is 125252415487. The reversal of 125252415455 is 554514252521.

It is not a de Polignac number, because 125252415455 - 2³⁰ = 124178673631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531734 + ... + 730236.

It is an arithmetic number, because the mean of its divisors is an integer number (9498118644).

Almost surely, 2^125252415455 is an apocalyptic number.

125252415455 is a deficient number, since it is larger than the sum of its proper divisors (26717482849).

125252415455 is a wasteful number, since it uses less digits than its factorization.

125252415455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199906.

The product of its digits is 400000, while the sum is 41.

Adding to 125252415455 its reverse (554514252521), we get a palindrome (679766667976).

The spelling of 125252415455 in words is "one hundred twenty-five billion, two hundred fifty-two million, four hundred fifteen thousand, four hundred fifty-five".