2156453204000 has 96 divisors (see below), whose sum is σ = 5365474732800. Its totient is φ = 851662406400.

The previous prime is 2156453203987. The next prime is 2156453204021. The reversal of 2156453204000 is 4023546512.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 3096110 + ... + 3728109.

It is an arithmetic number, because the mean of its divisors is an integer number (55890361800).

Almost surely, 2^{2156453204000} is an apocalyptic number.

2156453204000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2156453204000 is an abundant number, since it is smaller than the sum of its proper divisors (3209021528800).

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

2156453204000 is an equidigital number, since it uses as much as digits as its factorization.

2156453204000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6824323 (or 6824305 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 2156453204000 in words is "two trillion, one hundred fifty-six billion, four hundred fifty-three million, two hundred four thousand".