12375544765 has 8 divisors (see below), whose sum is σ = 14859626040. Its totient is φ = 9894454272.

The previous prime is 12375544747. The next prime is 12375544777. The reversal of 12375544765 is 56744557321.

It can be written as a sum of positive squares in 4 ways, for example, as 3511510564 + 8864034201 = 59258^2 + 94149^2 .

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 12375544765 - 2⁷ = 12375544637 is a prime.

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, 738580 + ... + 755149.

It is an arithmetic number, because the mean of its divisors is an integer number (1857453255).

Almost surely, 2^12375544765 is an apocalyptic number.

It is an amenable number.

12375544765 is a deficient number, since it is larger than the sum of its proper divisors (2484081275).

12375544765 is a wasteful number, since it uses less digits than its factorization.

12375544765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495391.

The product of its digits is 3528000, while the sum is 49.

The spelling of 12375544765 in words is "twelve billion, three hundred seventy-five million, five hundred forty-four thousand, seven hundred sixty-five".