2111765823960 has 128 divisors (see below), whose sum is σ = 6872428946880. Its totient is φ = 516024926208.

The previous prime is 2111765823941. The next prime is 2111765823971. The reversal of 2111765823960 is 693285671112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4726777 + ... + 5154216.

Almost surely, 2^{2111765823960} is an apocalyptic number.

2111765823960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111765823960 is an abundant number, since it is smaller than the sum of its proper divisors (4760663122920).

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

2111765823960 is a wasteful number, since it uses less digits than its factorization.

2111765823960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881157 (or 9881153 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 2111765823960 in words is "two trillion, one hundred eleven billion, seven hundred sixty-five million, eight hundred twenty-three thousand, nine hundred sixty".