2665513608380 has 48 divisors (see below), whose sum is σ = 6773540469696. Its totient is φ = 860132121600.

The previous prime is 2665513608377. The next prime is 2665513608409. The reversal of 2665513608380 is 838063155662.

It is a congruent number.

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, 559979471 + ... + 559984230.

It is an arithmetic number, because the mean of its divisors is an integer number (141115426452).

Almost surely, 2^{2665513608380} is an apocalyptic number.

2665513608380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2665513608380 is an abundant number, since it is smaller than the sum of its proper divisors (4108026861316).

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

2665513608380 is a wasteful number, since it uses less digits than its factorization.

2665513608380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119963734 (or 1119963732 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 2665513608380 in words is "two trillion, six hundred sixty-five billion, five hundred thirteen million, six hundred eight thousand, three hundred eighty".