15255263216 has 40 divisors (see below), whose sum is σ = 29941364880. Its totient is φ = 7528633856.

The previous prime is 15255263159. The next prime is 15255263239. The reversal of 15255263216 is 61236255251.

It is a self number, because there is not a number n which added to its sum of digits gives 15255263216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1579490 + ... + 1589118.

It is an arithmetic number, because the mean of its divisors is an integer number (748534122).

Almost surely, 2^15255263216 is an apocalyptic number.

15255263216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15255263216 is a deficient number, since it is larger than the sum of its proper divisors (14686101664).

15255263216 is a wasteful number, since it uses less digits than its factorization.

15255263216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10913 (or 10907 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The spelling of 15255263216 in words is "fifteen billion, two hundred fifty-five million, two hundred sixty-three thousand, two hundred sixteen".