26705356665556 has 48 divisors (see below), whose sum is σ = 49526307230400. Its totient is φ = 12556346761728.

The previous prime is 26705356665529. The next prime is 26705356665563. The reversal of 26705356665556 is 65556665350762.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26705356665491 and 26705356665500.

It is a congruent number.

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, 632852250 + ... + 632894446.

It is an arithmetic number, because the mean of its divisors is an integer number (1031798067300).

Almost surely, 2^{26705356665556} is an apocalyptic number.

It is an amenable number.

26705356665556 is a deficient number, since it is larger than the sum of its proper divisors (22820950564844).

26705356665556 is a wasteful number, since it uses less digits than its factorization.

26705356665556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50056 (or 50054 counting only the distinct ones).

The product of its (nonzero) digits is 1020600000, while the sum is 67.

The spelling of 26705356665556 in words is "twenty-six trillion, seven hundred five billion, three hundred fifty-six million, six hundred sixty-five thousand, five hundred fifty-six".