15220944516 has 24 divisors (see below), whose sum is σ = 35530445664. Its totient is φ = 5071518400.

The previous prime is 15220944511. The next prime is 15220944533. The reversal of 15220944516 is 61544902251.

15220944516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15220944511) by changing a digit.

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, 236310 + ... + 293741.

It is an arithmetic number, because the mean of its divisors is an integer number (1480435236).

Almost surely, 2^15220944516 is an apocalyptic number.

It is an amenable number.

15220944516 is an abundant number, since it is smaller than the sum of its proper divisors (20309501148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15220944516 is a wasteful number, since it uses less digits than its factorization.

15220944516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532451 (or 532449 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 15220944516 in words is "fifteen billion, two hundred twenty million, nine hundred forty-four thousand, five hundred sixteen".