2112057115511 has 24 divisors (see below), whose sum is σ = 2508892998480. Its totient is φ = 1772266003200.

The previous prime is 2112057115477. The next prime is 2112057115513. The reversal of 2112057115511 is 1155117502112.

It is not a de Polignac number, because 2112057115511 - 2¹⁸ = 2112056853367 is a prime.

It is a super-2 number, since 2×2112057115511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112057115513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818960 + ... + 2212421.

It is an arithmetic number, because the mean of its divisors is an integer number (104537208270).

Almost surely, 2^{2112057115511} is an apocalyptic number.

2112057115511 is a deficient number, since it is larger than the sum of its proper divisors (396835882969).

2112057115511 is a wasteful number, since it uses less digits than its factorization.

2112057115511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031695 (or 3031688 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 32.

The spelling of 2112057115511 in words is "two trillion, one hundred twelve billion, fifty-seven million, one hundred fifteen thousand, five hundred eleven".