2145111775360 has 32 divisors (see below), whose sum is σ = 5128157839500. Its totient is φ = 858044709888.

The previous prime is 2145111775357. The next prime is 2145111775361. The reversal of 2145111775360 is 635771115412.

It can be written as a sum of positive squares in 2 ways, for example, as 1828791019584 + 316320755776 = 1352328^2 + 562424^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2145111775360² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2145111775361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675867935 + ... + 1675869214.

Almost surely, 2^{2145111775360} is an apocalyptic number.

2145111775360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145111775360 is an abundant number, since it is smaller than the sum of its proper divisors (2983046064140).

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

2145111775360 is an equidigital number, since it uses as much as digits as its factorization.

2145111775360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351737168 (or 3351737156 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 2145111775360 in words is "two trillion, one hundred forty-five billion, one hundred eleven million, seven hundred seventy-five thousand, three hundred sixty".