26463546855 has 24 divisors (see below), whose sum is σ = 47569044432. Its totient is φ = 14113891008.

The previous prime is 26463546799. The next prime is 26463546869. The reversal of 26463546855 is 55864536462.

26463546855 is a `hidden beast` number, since 2 + 6 + 46 + 3 + 546 + 8 + 55 = 666.

It is not a de Polignac number, because 26463546855 - 2¹⁰ = 26463545831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10889134 + ... + 10891563.

It is an arithmetic number, because the mean of its divisors is an integer number (1982043518).

Almost surely, 2^26463546855 is an apocalyptic number.

26463546855 is a deficient number, since it is larger than the sum of its proper divisors (21105497577).

26463546855 is an equidigital number, since it uses as much as digits as its factorization.

26463546855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21780717 (or 21780705 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 54.

The spelling of 26463546855 in words is "twenty-six billion, four hundred sixty-three million, five hundred forty-six thousand, eight hundred fifty-five".