2611252543266 has 32 divisors (see below), whose sum is σ = 5802865246080. Its totient is φ = 870405241968.

The previous prime is 2611252543213. The next prime is 2611252543271. The reversal of 2611252543266 is 6623452521162.

2611252543266 is a `hidden beast` number, since 2 + 6 + 112 + 525 + 4 + 3 + 2 + 6 + 6 = 666.

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, 4041280 + ... + 4642676.

It is an arithmetic number, because the mean of its divisors is an integer number (181339538940).

Almost surely, 2^{2611252543266} is an apocalyptic number.

2611252543266 is an abundant number, since it is smaller than the sum of its proper divisors (3191612702814).

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

2611252543266 is a wasteful number, since it uses less digits than its factorization.

2611252543266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681815 (or 681809 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 2611252543266 in words is "two trillion, six hundred eleven billion, two hundred fifty-two million, five hundred forty-three thousand, two hundred sixty-six".