2112561426 has 32 divisors (see below), whose sum is σ = 4251360960. Its totient is φ = 699826176.

The previous prime is 2112561403. The next prime is 2112561443. The reversal of 2112561426 is 6241652112.

2112561426 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2112561393 and 2112561402.

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, 1046370 + ... + 1048386.

It is an arithmetic number, because the mean of its divisors is an integer number (132855030).

Almost surely, 2^2112561426 is an apocalyptic number.

2112561426 is an abundant number, since it is smaller than the sum of its proper divisors (2138799534).

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

2112561426 is a wasteful number, since it uses less digits than its factorization.

2112561426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018.

The product of its digits is 5760, while the sum is 30.

The square root of 2112561426 is about 45962.6089990549. The cubic root of 2112561426 is about 1283.1274083636.

The spelling of 2112561426 in words is "two billion, one hundred twelve million, five hundred sixty-one thousand, four hundred twenty-six".