2113319263578 has 32 divisors (see below), whose sum is σ = 4466404895040. Its totient is φ = 664767221760.

The previous prime is 2113319263567. The next prime is 2113319263607. The reversal of 2113319263578 is 8753629133112.

It is a happy number.

It is a super-2 number, since 2×2113319263578² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113319263578.

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, 36036633 + ... + 36095228.

It is an arithmetic number, because the mean of its divisors is an integer number (139575152970).

Almost surely, 2^{2113319263578} is an apocalyptic number.

2113319263578 is an abundant number, since it is smaller than the sum of its proper divisors (2353085631462).

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

2113319263578 is a wasteful number, since it uses less digits than its factorization.

2113319263578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72132142.

The product of its digits is 1632960, while the sum is 51.

The spelling of 2113319263578 in words is "two trillion, one hundred thirteen billion, three hundred nineteen million, two hundred sixty-three thousand, five hundred seventy-eight".