2091179985260 has 48 divisors (see below), whose sum is σ = 4552317824544. Its totient is φ = 806258400768.

The previous prime is 2091179985233. The next prime is 2091179985287. The reversal of 2091179985260 is 625899711902.

It is an interprime number because it is at equal distance from previous prime (2091179985233) and next prime (2091179985287).

It is a self number, because there is not a number n which added to its sum of digits gives 2091179985260.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13126049 + ... + 13284408.

It is an arithmetic number, because the mean of its divisors is an integer number (94839954678).

Almost surely, 2^{2091179985260} is an apocalyptic number.

2091179985260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2091179985260 is an abundant number, since it is smaller than the sum of its proper divisors (2461137839284).

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

2091179985260 is a wasteful number, since it uses less digits than its factorization.

2091179985260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26410610 (or 26410608 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 2091179985260 in words is "two trillion, ninety-one billion, one hundred seventy-nine million, nine hundred eighty-five thousand, two hundred sixty".