12411891479401 has 4 divisors (see below), whose sum is σ = 12414984404292. Its totient is φ = 12408798554512.

The previous prime is 12411891479389. The next prime is 12411891479431. The reversal of 12411891479401 is 10497419811421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7241265721600 + 5170625757801 = 2690960^2 + 2273901^2 .

It is a cyclic number.

It is not a de Polignac number, because 12411891479401 - 2²⁹ = 12411354608489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12411891479431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1546456426 + ... + 1546464451.

It is an arithmetic number, because the mean of its divisors is an integer number (3103746101073).

Almost surely, 2^{12411891479401} is an apocalyptic number.

It is an amenable number.

12411891479401 is a deficient number, since it is larger than the sum of its proper divisors (3092924891).

12411891479401 is an equidigital number, since it uses as much as digits as its factorization.

12411891479401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092924890.

The product of its (nonzero) digits is 580608, while the sum is 52.

The spelling of 12411891479401 in words is "twelve trillion, four hundred eleven billion, eight hundred ninety-one million, four hundred seventy-nine thousand, four hundred one".