15520606996 has 24 divisors (see below), whose sum is σ = 27378844416. Its totient is φ = 7698125760.

The previous prime is 15520606967. The next prime is 15520607009. The reversal of 15520606996 is 69960602551.

15520606996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2158960 + ... + 2166136.

It is an arithmetic number, because the mean of its divisors is an integer number (1140785184).

Almost surely, 2^15520606996 is an apocalyptic number.

It is an amenable number.

15520606996 is a deficient number, since it is larger than the sum of its proper divisors (11858237420).

15520606996 is a wasteful number, since it uses less digits than its factorization.

15520606996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11439 (or 11437 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 15520606996 in words is "fifteen billion, five hundred twenty million, six hundred six thousand, nine hundred ninety-six".