12407052761615 has 4 divisors (see below), whose sum is σ = 14888463313944. Its totient is φ = 9925642209288.

The previous prime is 12407052761611. The next prime is 12407052761627. The reversal of 12407052761615 is 51616725070421.

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

It is a cyclic number.

It is not a de Polignac number, because 12407052761615 - 2² = 12407052761611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12407052761615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12407052761611) 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, 1240705276157 + ... + 1240705276166.

It is an arithmetic number, because the mean of its divisors is an integer number (3722115828486).

Almost surely, 2^{12407052761615} is an apocalyptic number.

12407052761615 is a deficient number, since it is larger than the sum of its proper divisors (2481410552329).

12407052761615 is an equidigital number, since it uses as much as digits as its factorization.

12407052761615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481410552328.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 12407052761615 in words is "twelve trillion, four hundred seven billion, fifty-two million, seven hundred sixty-one thousand, six hundred fifteen".