26616611255 has 32 divisors (see below), whose sum is σ = 36446760000. Its totient is φ = 18485655552.

The previous prime is 26616611251. The next prime is 26616611261. The reversal of 26616611255 is 55211661662.

It is not a de Polignac number, because 26616611255 - 2² = 26616611251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26616611251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1648361 + ... + 1664429.

It is an arithmetic number, because the mean of its divisors is an integer number (1138961250).

Almost surely, 2^26616611255 is an apocalyptic number.

26616611255 is a deficient number, since it is larger than the sum of its proper divisors (9830148745).

26616611255 is a wasteful number, since it uses less digits than its factorization.

26616611255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603.

The product of its digits is 129600, while the sum is 41.

The spelling of 26616611255 in words is "twenty-six billion, six hundred sixteen million, six hundred eleven thousand, two hundred fifty-five".