2151512016000 has 128 divisors (see below), whose sum is σ = 7132262492160. Its totient is φ = 573736524800.

The previous prime is 2151512015999. The next prime is 2151512016037. The reversal of 2151512016000 is 6102151512.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22363584 + ... + 22459583.

It is an arithmetic number, because the mean of its divisors is an integer number (55720800720).

Almost surely, 2^{2151512016000} is an apocalyptic number.

2151512016000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151512016000 is an abundant number, since it is smaller than the sum of its proper divisors (4980750476160).

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

2151512016000 is an equidigital number, since it uses as much as digits as its factorization.

2151512016000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44823199 (or 44823177 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 2151512016000 its reverse (6102151512), we get a palindrome (2157614167512).

The spelling of 2151512016000 in words is "two trillion, one hundred fifty-one billion, five hundred twelve million, sixteen thousand".