12770290615 has 4 divisors (see below), whose sum is σ = 15324348744. Its totient is φ = 10216232488.

The previous prime is 12770290613. The next prime is 12770290669. The reversal of 12770290615 is 51609207721.

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 12770290615 - 2¹ = 12770290613 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12770290613) 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, 1277029057 + ... + 1277029066.

It is an arithmetic number, because the mean of its divisors is an integer number (3831087186).

Almost surely, 2^12770290615 is an apocalyptic number.

12770290615 is a deficient number, since it is larger than the sum of its proper divisors (2554058129).

12770290615 is an equidigital number, since it uses as much as digits as its factorization.

12770290615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554058128.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 12770290615 in words is "twelve billion, seven hundred seventy million, two hundred ninety thousand, six hundred fifteen".