12557075790399 has 8 divisors (see below), whose sum is σ = 19134591680640. Its totient is φ = 7175471880216.

The previous prime is 12557075790397. The next prime is 12557075790401. The reversal of 12557075790399 is 99309757075521.

It is an interprime number because it is at equal distance from previous prime (12557075790397) and next prime (12557075790401).

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

It is not a de Polignac number, because 12557075790399 - 2¹ = 12557075790397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12557075790397) 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, 298977994989 + ... + 298977995030.

It is an arithmetic number, because the mean of its divisors is an integer number (2391823960080).

Almost surely, 2^{12557075790399} is an apocalyptic number.

12557075790399 is a deficient number, since it is larger than the sum of its proper divisors (6577515890241).

12557075790399 is an equidigital number, since it uses as much as digits as its factorization.

12557075790399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597955990029.

The product of its (nonzero) digits is 187535250, while the sum is 69.

The spelling of 12557075790399 in words is "twelve trillion, five hundred fifty-seven billion, seventy-five million, seven hundred ninety thousand, three hundred ninety-nine".