26064115551 has 32 divisors (see below), whose sum is σ = 39876157440. Its totient is φ = 16808364000.

The previous prime is 26064115541. The next prime is 26064115577. The reversal of 26064115551 is 15551146062.

26064115551 is a `hidden beast` number, since 2 + 6 + 0 + 641 + 1 + 5 + 5 + 5 + 1 = 666.

It is not a de Polignac number, because 26064115551 - 2²⁵ = 26030561119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26064115531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2525101 + ... + 2535401.

It is an arithmetic number, because the mean of its divisors is an integer number (1246129920).

Almost surely, 2^26064115551 is an apocalyptic number.

26064115551 is a deficient number, since it is larger than the sum of its proper divisors (13812041889).

26064115551 is a wasteful number, since it uses less digits than its factorization.

26064115551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13364 (or 13358 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 26064115551 in words is "twenty-six billion, sixty-four million, one hundred fifteen thousand, five hundred fifty-one".