125377464773521 has 8 divisors (see below), whose sum is σ = 125916040846304. Its totient is φ = 124839851304960.

The previous prime is 125377464773507. The next prime is 125377464773551.

125377464773521 is nontrivially palindromic in base 10.

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 125377464773521 - 2⁵ = 125377464773489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125377464773551) 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, 240390000 + ... + 240910993.

It is an arithmetic number, because the mean of its divisors is an integer number (15739505105788).

Almost surely, 2^{125377464773521} is an apocalyptic number.

It is an amenable number.

125377464773521 is a deficient number, since it is larger than the sum of its proper divisors (538576072783).

125377464773521 is an equidigital number, since it uses as much as digits as its factorization.

125377464773521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481302111.

The product of its digits is 207446400, while the sum is 64.

The spelling of 125377464773521 in words is "one hundred twenty-five trillion, three hundred seventy-seven billion, four hundred sixty-four million, seven hundred seventy-three thousand, five hundred twenty-one".