2231959587180 has 48 divisors (see below), whose sum is σ = 6578407207680. Its totient is φ = 563863474368.

The previous prime is 2231959587139. The next prime is 2231959587181. The reversal of 2231959587180 is 817859591322.

It is a super-3 number, since 3×2231959587180³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (2231959587181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978928504 + ... + 978930783.

It is an arithmetic number, because the mean of its divisors is an integer number (137050150160).

Almost surely, 2^{2231959587180} is an apocalyptic number.

2231959587180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231959587180 is an abundant number, since it is smaller than the sum of its proper divisors (4346447620500).

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

2231959587180 is a wasteful number, since it uses less digits than its factorization.

2231959587180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957859318 (or 1957859316 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 2231959587180 in words is "two trillion, two hundred thirty-one billion, nine hundred fifty-nine million, five hundred eighty-seven thousand, one hundred eighty".