2266561255635 has 36 divisors (see below), whose sum is σ = 4146363058032. Its totient is φ = 1145209889376.

The previous prime is 2266561255619. The next prime is 2266561255639. The reversal of 2266561255635 is 5365521656622.

2266561255635 is a `hidden beast` number, since 2 + 2 + 6 + 6 + 56 + 1 + 2 + 556 + 35 = 666.

It is not a de Polignac number, because 2266561255635 - 2⁴ = 2266561255619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2266561255639) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69745567 + ... + 69778056.

It is an arithmetic number, because the mean of its divisors is an integer number (115176751612).

Almost surely, 2^{2266561255635} is an apocalyptic number.

2266561255635 is a deficient number, since it is larger than the sum of its proper divisors (1879801802397).

2266561255635 is a wasteful number, since it uses less digits than its factorization.

2266561255635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139523672 (or 139523650 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 54.

The spelling of 2266561255635 in words is "two trillion, two hundred sixty-six billion, five hundred sixty-one million, two hundred fifty-five thousand, six hundred thirty-five".