15215906496 has 336 divisors, whose sum is σ = 51453653760. Its totient is φ = 3938457600.

The previous prime is 15215906471. The next prime is 15215906501. The reversal of 15215906496 is 69460951251.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4109446 + ... + 4113146.

Almost surely, 2^15215906496 is an apocalyptic number.

15215906496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15215906496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25726826880).

15215906496 is an abundant number, since it is smaller than the sum of its proper divisors (36237747264).

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

15215906496 is a wasteful number, since it uses less digits than its factorization.

15215906496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772 (or 3755 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 15215906496 in words is "fifteen billion, two hundred fifteen million, nine hundred six thousand, four hundred ninety-six".