2155362259200 has 432 divisors, whose sum is σ = 7386649682496. Its totient is φ = 553048473600.

The previous prime is 2155362259187. The next prime is 2155362259207. The reversal of 2155362259200 is 29522635512.

It is not an unprimeable number, because it can be changed into a prime (2155362259207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57446847 + ... + 57484353.

Almost surely, 2^{2155362259200} is an apocalyptic number.

2155362259200 is a gapful number since it is divisible by the number (20) 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 2155362259200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3693324841248).

2155362259200 is an abundant number, since it is smaller than the sum of its proper divisors (5231287423296).

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

2155362259200 is a wasteful number, since it uses less digits than its factorization.

2155362259200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37650 (or 37631 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 2155362259200 in words is "two trillion, one hundred fifty-five billion, three hundred sixty-two million, two hundred fifty-nine thousand, two hundred".