125136044705 has 16 divisors (see below), whose sum is σ = 171639851904. Its totient is φ = 85795221120.

The previous prime is 125136044701. The next prime is 125136044707. The reversal of 125136044705 is 507440631521.

It is not a de Polignac number, because 125136044705 - 2² = 125136044701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125136044701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7316 + ... + 500325.

It is an arithmetic number, because the mean of its divisors is an integer number (10727490744).

Almost surely, 2^125136044705 is an apocalyptic number.

It is an amenable number.

125136044705 is a deficient number, since it is larger than the sum of its proper divisors (46503807199).

125136044705 is an equidigital number, since it uses as much as digits as its factorization.

125136044705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514696.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 125136044705 in words is "one hundred twenty-five billion, one hundred thirty-six million, forty-four thousand, seven hundred five".