12450378795759 has 12 divisors (see below), whose sum is σ = 17983951464336. Its totient is φ = 8300219769792.

The previous prime is 12450378795731. The next prime is 12450378795763. The reversal of 12450378795759 is 95759787305421.

It is a happy number.

12450378795759 is a `hidden beast` number, since 1 + 2 + 45 + 0 + 3 + 7 + 8 + 7 + 9 + 575 + 9 = 666.

It is not a de Polignac number, because 12450378795759 - 2¹⁷ = 12450378664687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450378795769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199707 + ... + 4994060.

It is an arithmetic number, because the mean of its divisors is an integer number (1498662622028).

Almost surely, 2^{12450378795759} is an apocalyptic number.

12450378795759 is a deficient number, since it is larger than the sum of its proper divisors (5533572668577).

12450378795759 is a wasteful number, since it uses less digits than its factorization.

12450378795759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5460126 (or 5460123 counting only the distinct ones).

The product of its (nonzero) digits is 666792000, while the sum is 72.

The spelling of 12450378795759 in words is "twelve trillion, four hundred fifty billion, three hundred seventy-eight million, seven hundred ninety-five thousand, seven hundred fifty-nine".