125063380465 has 4 divisors (see below), whose sum is σ = 150076056564. Its totient is φ = 100050704368.

The previous prime is 125063380447. The next prime is 125063380501. The reversal of 125063380465 is 564083360521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31843688704 + 93219691761 = 178448^2 + 305319^2 .

It is a cyclic number.

It is not a de Polignac number, because 125063380465 - 2¹⁵ = 125063347697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12506338042 + ... + 12506338051.

It is an arithmetic number, because the mean of its divisors is an integer number (37519014141).

Almost surely, 2^125063380465 is an apocalyptic number.

It is an amenable number.

125063380465 is a deficient number, since it is larger than the sum of its proper divisors (25012676099).

125063380465 is an equidigital number, since it uses as much as digits as its factorization.

125063380465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25012676098.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 125063380465 in words is "one hundred twenty-five billion, sixty-three million, three hundred eighty thousand, four hundred sixty-five".