15845130560000 has 800 divisors, whose sum is σ = 49665074088960. Its totient is φ = 4922615808000.

The previous prime is 15845130559957. The next prime is 15845130560011. The reversal of 15845130560000 is 6503154851.

It is a tau number, because it is divible by the number of its divisors (800).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 978871907 + ... + 978888093.

Almost surely, 2^{15845130560000} is an apocalyptic number.

15845130560000 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 15845130560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24832537044480).

15845130560000 is an abundant number, since it is smaller than the sum of its proper divisors (33819943528960).

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

15845130560000 is an equidigital number, since it uses as much as digits as its factorization.

15845130560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16274 (or 16243 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 15845130560000 in words is "fifteen trillion, eight hundred forty-five billion, one hundred thirty million, five hundred sixty thousand".