12399404525711 has 32 divisors (see below), whose sum is σ = 14684487418368. Its totient is φ = 10249825472640.

The previous prime is 12399404525699. The next prime is 12399404525737. The reversal of 12399404525711 is 11752540499321.

It is a happy number.

12399404525711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12399404525711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12399406525711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34287140 + ... + 34646886.

It is an arithmetic number, because the mean of its divisors is an integer number (458890231824).

Almost surely, 2^{12399404525711} is an apocalyptic number.

12399404525711 is a deficient number, since it is larger than the sum of its proper divisors (2285082892657).

12399404525711 is a wasteful number, since it uses less digits than its factorization.

12399404525711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361391.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 12399404525711 in words is "twelve trillion, three hundred ninety-nine billion, four hundred four million, five hundred twenty-five thousand, seven hundred eleven".