15199399287072 has 2304 divisors, whose sum is σ = 63687007641600. Its totient is φ = 3416914575360.

The previous prime is 15199399287053. The next prime is 15199399287101. The reversal of 15199399287072 is 27078299399151.

15199399287072 is a `hidden beast` number, since 1 + 5 + 1 + 99 + 399 + 2 + 87 + 0 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 13705499254 + ... + 13705500362.

It is an arithmetic number, because the mean of its divisors is an integer number (27641930400).

Almost surely, 2^{15199399287072} is an apocalyptic number.

15199399287072 is a gapful number since it is divisible by the number (12) 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 15199399287072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31843503820800).

15199399287072 is an abundant number, since it is smaller than the sum of its proper divisors (48487608354528).

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

15199399287072 is a wasteful number, since it uses less digits than its factorization.

15199399287072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 154314720, while the sum is 72.

The spelling of 15199399287072 in words is "fifteen trillion, one hundred ninety-nine billion, three hundred ninety-nine million, two hundred eighty-seven thousand, seventy-two".