2112557407746 has 16 divisors (see below), whose sum is σ = 4225218602304. Its totient is φ = 704168504784.

The previous prime is 2112557407739. The next prime is 2112557407769. The reversal of 2112557407746 is 6477047552112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4058581 + ... + 4549416.

It is an arithmetic number, because the mean of its divisors is an integer number (264076162644).

Almost surely, 2^{2112557407746} is an apocalyptic number.

2112557407746 is an abundant number, since it is smaller than the sum of its proper divisors (2112661194558).

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

2112557407746 is a wasteful number, since it uses less digits than its factorization.

2112557407746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648905.

The product of its (nonzero) digits is 3292800, while the sum is 51.

The spelling of 2112557407746 in words is "two trillion, one hundred twelve billion, five hundred fifty-seven million, four hundred seven thousand, seven hundred forty-six".