125027777765 has 8 divisors (see below), whose sum is σ = 163672727328. Its totient is φ = 90929292880.

The previous prime is 125027777759. The next prime is 125027777801. The reversal of 125027777765 is 567777720521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125027777765 - 2¹² = 125027773669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125027777765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136616107 + ... + 1136616216.

It is an arithmetic number, because the mean of its divisors is an integer number (20459090916).

Almost surely, 2^125027777765 is an apocalyptic number.

It is an amenable number.

125027777765 is a deficient number, since it is larger than the sum of its proper divisors (38644949563).

125027777765 is a wasteful number, since it uses less digits than its factorization.

125027777765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273232339.

The product of its (nonzero) digits is 10084200, while the sum is 56.

The spelling of 125027777765 in words is "one hundred twenty-five billion, twenty-seven million, seven hundred seventy-seven thousand, seven hundred sixty-five".