125617734853 has 8 divisors (see below), whose sum is σ = 138426699488. Its totient is φ = 113258207664.

The previous prime is 125617734821. The next prime is 125617734859. The reversal of 125617734853 is 358437716521.

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

It is a cyclic number.

It is not a de Polignac number, because 125617734853 - 2⁵ = 125617734821 is a prime.

It is a super-2 number, since 2×125617734853² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125617734853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125617734859) 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, 112358775 + ... + 112359892.

It is an arithmetic number, because the mean of its divisors is an integer number (17303337436).

Almost surely, 2^125617734853 is an apocalyptic number.

125617734853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125617734853 is a deficient number, since it is larger than the sum of its proper divisors (12808964635).

125617734853 is a wasteful number, since it uses less digits than its factorization.

125617734853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224718723.

The product of its digits is 4233600, while the sum is 52.

Multiplying 125617734853 by its sum of digits (52), we get a palindrome (6532122212356).

The spelling of 125617734853 in words is "one hundred twenty-five billion, six hundred seventeen million, seven hundred thirty-four thousand, eight hundred fifty-three".