15801381360 has 120 divisors (see below), whose sum is σ = 53217491184. Its totient is φ = 4201697280.

The previous prime is 15801381359. The next prime is 15801381373. The reversal of 15801381360 is 6318310851.

15801381360 is a `hidden beast` number, since 1 + 580 + 1 + 3 + 8 + 13 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223075 + ... + 285245.

Almost surely, 2^15801381360 is an apocalyptic number.

15801381360 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 15801381360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26608745592).

15801381360 is an abundant number, since it is smaller than the sum of its proper divisors (37416109824).

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

15801381360 is a wasteful number, since it uses less digits than its factorization.

15801381360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62543 (or 62534 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 15801381360 in words is "fifteen billion, eight hundred one million, three hundred eighty-one thousand, three hundred sixty".