2661256512082 has 16 divisors (see below), whose sum is σ = 4563446866560. Its totient is φ = 1140215293728.

The previous prime is 2661256512073. The next prime is 2661256512127. The reversal of 2661256512082 is 2802156521662.

It is a super-3 number, since 3×2661256512082³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26883118 + ... + 26981929.

It is an arithmetic number, because the mean of its divisors is an integer number (285215429160).

Almost surely, 2^{2661256512082} is an apocalyptic number.

2661256512082 is a deficient number, since it is larger than the sum of its proper divisors (1902190354478).

2661256512082 is a wasteful number, since it uses less digits than its factorization.

2661256512082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53868585.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 2661256512082 in words is "two trillion, six hundred sixty-one billion, two hundred fifty-six million, five hundred twelve thousand, eighty-two".