125057170653 has 4 divisors (see below), whose sum is σ = 166742894208. Its totient is φ = 83371447100.

The previous prime is 125057170639. The next prime is 125057170657. The reversal of 125057170653 is 356071750521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125057170653 - 2¹⁴ = 125057154269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125057170657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20842861773 + ... + 20842861778.

It is an arithmetic number, because the mean of its divisors is an integer number (41685723552).

Almost surely, 2^125057170653 is an apocalyptic number.

It is an amenable number.

125057170653 is a deficient number, since it is larger than the sum of its proper divisors (41685723555).

125057170653 is an equidigital number, since it uses as much as digits as its factorization.

125057170653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41685723554.

The product of its (nonzero) digits is 220500, while the sum is 42.

The spelling of 125057170653 in words is "one hundred twenty-five billion, fifty-seven million, one hundred seventy thousand, six hundred fifty-three".