2110255225561 has 16 divisors (see below), whose sum is σ = 2426549723136. Its totient is φ = 1797702060816.

The previous prime is 2110255225523. The next prime is 2110255225571. The reversal of 2110255225561 is 1655225520112.

It is a cyclic number.

It is not a de Polignac number, because 2110255225561 - 2⁷ = 2110255225433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2110255225561.

It is not an unprimeable number, because it can be changed into a prime (2110255225511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669241 + ... + 2160646.

It is an arithmetic number, because the mean of its divisors is an integer number (151659357696).

Almost surely, 2^{2110255225561} is an apocalyptic number.

It is an amenable number.

2110255225561 is a deficient number, since it is larger than the sum of its proper divisors (316294497575).

2110255225561 is a wasteful number, since it uses less digits than its factorization.

2110255225561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830548.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 2110255225561 in words is "two trillion, one hundred ten billion, two hundred fifty-five million, two hundred twenty-five thousand, five hundred sixty-one".