26000665355 has 16 divisors (see below), whose sum is σ = 35660701440. Its totient is φ = 17827704672.

The previous prime is 26000665321. The next prime is 26000665363. The reversal of 26000665355 is 55356600062.

It is a cyclic number.

It is not a de Polignac number, because 26000665355 - 2⁸ = 26000665099 is a prime.

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, 805232 + ... + 836898.

It is an arithmetic number, because the mean of its divisors is an integer number (2228793840).

Almost surely, 2^26000665355 is an apocalyptic number.

26000665355 is a deficient number, since it is larger than the sum of its proper divisors (9660036085).

26000665355 is a wasteful number, since it uses less digits than its factorization.

26000665355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55138.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 26000665355 in words is "twenty-six billion, six hundred sixty-five thousand, three hundred fifty-five".