12390572755 has 16 divisors (see below), whose sum is σ = 16348114944. Its totient is φ = 8940365280.

The previous prime is 12390572749. The next prime is 12390572759. The reversal of 12390572755 is 55727509321.

It is not a de Polignac number, because 12390572755 - 2²³ = 12382184147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12390572759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879957 + ... + 893926.

It is an arithmetic number, because the mean of its divisors is an integer number (1021757184).

Almost surely, 2^12390572755 is an apocalyptic number.

12390572755 is a deficient number, since it is larger than the sum of its proper divisors (3957542189).

12390572755 is a wasteful number, since it uses less digits than its factorization.

12390572755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774026.

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 12390572755 in words is "twelve billion, three hundred ninety million, five hundred seventy-two thousand, seven hundred fifty-five".