15048991088640 has 2688 divisors, whose sum is σ = 62653037690880. Its totient is φ = 3439853568000.

The previous prime is 15048991088581. The next prime is 15048991088683. The reversal of 15048991088640 is 4688019984051.

15048991088640 is a `hidden beast` number, since 1 + 5 + 0 + 489 + 9 + 10 + 88 + 64 + 0 = 666.

It is a super-2 number, since 2×15048991088640² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 99662192565 + ... + 99662192715.

It is an arithmetic number, because the mean of its divisors is an integer number (23308421760).

Almost surely, 2^{15048991088640} is an apocalyptic number.

15048991088640 is a gapful number since it is divisible by the number (10) 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 15048991088640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31326518845440).

15048991088640 is an abundant number, since it is smaller than the sum of its proper divisors (47604046602240).

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

15048991088640 is a wasteful number, since it uses less digits than its factorization.

15048991088640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 15048991088640 in words is "fifteen trillion, forty-eight billion, nine hundred ninety-one million, eighty-eight thousand, six hundred forty".