125252652639 has 8 divisors (see below), whose sum is σ = 167165523072. Its totient is φ = 83420775320.

The previous prime is 125252652611. The next prime is 125252652647. The reversal of 125252652639 is 936256252521.

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 125252652639 - 2²⁰ = 125251604063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125252652439) 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, 20244669 + ... + 20250854.

It is an arithmetic number, because the mean of its divisors is an integer number (20895690384).

Almost surely, 2^125252652639 is an apocalyptic number.

125252652639 is a deficient number, since it is larger than the sum of its proper divisors (41912870433).

125252652639 is a wasteful number, since it uses less digits than its factorization.

125252652639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40496557.

The product of its digits is 1944000, while the sum is 48.

The spelling of 125252652639 in words is "one hundred twenty-five billion, two hundred fifty-two million, six hundred fifty-two thousand, six hundred thirty-nine".