2145155532260 has 48 divisors (see below), whose sum is σ = 4860663664752. Its totient is φ = 790537113600.

The previous prime is 2145155532257. The next prime is 2145155532341. The reversal of 2145155532260 is 622355515412.

It can be written as a sum of positive squares in 8 ways, for example, as 33150213184 + 2112005319076 = 182072^2 + 1453274^2 .

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, 7782581 + ... + 8053500.

It is an arithmetic number, because the mean of its divisors is an integer number (101263826349).

Almost surely, 2^{2145155532260} is an apocalyptic number.

2145155532260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145155532260 is an abundant number, since it is smaller than the sum of its proper divisors (2715508132492).

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

2145155532260 is a wasteful number, since it uses less digits than its factorization.

2145155532260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15836624 (or 15836622 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 2145155532260 in words is "two trillion, one hundred forty-five billion, one hundred fifty-five million, five hundred thirty-two thousand, two hundred sixty".