2611012860856 has 16 divisors (see below), whose sum is σ = 4895679063600. Its totient is φ = 1305498443904.

The previous prime is 2611012860851. The next prime is 2611012860857. The reversal of 2611012860856 is 6580682101162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611012860851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528480 + ... + 2345488.

It is an arithmetic number, because the mean of its divisors is an integer number (305979941475).

Almost surely, 2^{2611012860856} is an apocalyptic number.

It is an amenable number.

2611012860856 is a deficient number, since it is larger than the sum of its proper divisors (2284666202744).

2611012860856 is a wasteful number, since it uses less digits than its factorization.

2611012860856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996638 (or 1996634 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 2611012860856 in words is "two trillion, six hundred eleven billion, twelve million, eight hundred sixty thousand, eight hundred fifty-six".