125655712977 has 8 divisors (see below), whose sum is σ = 170702100864. Its totient is φ = 82189900208.

The previous prime is 125655712961. The next prime is 125655712979. The reversal of 125655712977 is 779217556521.

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 125655712977 - 2⁴ = 125655712961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125655712979) 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, 395143593 + ... + 395143910.

It is an arithmetic number, because the mean of its divisors is an integer number (21337762608).

Almost surely, 2^125655712977 is an apocalyptic number.

It is an amenable number.

125655712977 is a deficient number, since it is larger than the sum of its proper divisors (45046387887).

125655712977 is an equidigital number, since it uses as much as digits as its factorization.

125655712977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790287559.

The product of its digits is 9261000, while the sum is 57.

The spelling of 125655712977 in words is "one hundred twenty-five billion, six hundred fifty-five million, seven hundred twelve thousand, nine hundred seventy-seven".