2154065320000 has 140 divisors (see below), whose sum is σ = 5826963287376. Its totient is φ = 783296320000.

The previous prime is 2154065319971. The next prime is 2154065320009. The reversal of 2154065320000 is 235604512.

It is not an unprimeable number, because it can be changed into a prime (2154065320009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2007802 + ... + 2887801.

Almost surely, 2^{2154065320000} is an apocalyptic number.

2154065320000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154065320000 is an abundant number, since it is smaller than the sum of its proper divisors (3672897967376).

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

2154065320000 is an equidigital number, since it uses as much as digits as its factorization.

2154065320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895646 (or 4895621 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 2154065320000 in words is "two trillion, one hundred fifty-four billion, sixty-five million, three hundred twenty thousand".