125756578013 has 8 divisors (see below), whose sum is σ = 137224426080. Its totient is φ = 114294635280.

The previous prime is 125756578009. The next prime is 125756578033. The reversal of 125756578013 is 310875657521.

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 125756578013 - 2² = 125756578009 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 (125756578033) 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, 1431743 + ... + 1517036.

It is an arithmetic number, because the mean of its divisors is an integer number (17153053260).

Almost surely, 2^125756578013 is an apocalyptic number.

It is an amenable number.

125756578013 is a deficient number, since it is larger than the sum of its proper divisors (11467848067).

125756578013 is a wasteful number, since it uses less digits than its factorization.

125756578013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952667.

The product of its (nonzero) digits is 1764000, while the sum is 50.

The spelling of 125756578013 in words is "one hundred twenty-five billion, seven hundred fifty-six million, five hundred seventy-eight thousand, thirteen".