13155885716 has 12 divisors (see below), whose sum is σ = 23032856532. Its totient is φ = 6575069568.

The previous prime is 13155885709. The next prime is 13155885739. The reversal of 13155885716 is 61758855131.

It can be written as a sum of positive squares in 2 ways, for example, as 4311235600 + 8844650116 = 65660^2 + 94046^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708005 + ... + 726348.

It is an arithmetic number, because the mean of its divisors is an integer number (1919404711).

Almost surely, 2^13155885716 is an apocalyptic number.

It is an amenable number.

13155885716 is a deficient number, since it is larger than the sum of its proper divisors (9876970816).

13155885716 is a wasteful number, since it uses less digits than its factorization.

13155885716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436650 (or 1436648 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 50.

The spelling of 13155885716 in words is "thirteen billion, one hundred fifty-five million, eight hundred eighty-five thousand, seven hundred sixteen".