26552905505 has 16 divisors (see below), whose sum is σ = 36510511104. Its totient is φ = 18160157760.

The previous prime is 26552905493. The next prime is 26552905567. The reversal of 26552905505 is 50550925562.

It is a de Polignac number, because none of the positive numbers 2^k-26552905505 is a prime.

It is a Duffinian 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, 977006 + ... + 1003815.

It is an arithmetic number, because the mean of its divisors is an integer number (2281906944).

Almost surely, 2^26552905505 is an apocalyptic number.

It is an amenable number.

26552905505 is a deficient number, since it is larger than the sum of its proper divisors (9957605599).

26552905505 is a wasteful number, since it uses less digits than its factorization.

26552905505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981216.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 26552905505 in words is "twenty-six billion, five hundred fifty-two million, nine hundred five thousand, five hundred five".