26011261088 has 48 divisors (see below), whose sum is σ = 52143588000. Its totient is φ = 12769005312.

The previous prime is 26011261069. The next prime is 26011261093. The reversal of 26011261088 is 88016211062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556843 + ... + 1573461.

It is an arithmetic number, because the mean of its divisors is an integer number (1086324750).

Almost surely, 2^26011261088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26011261088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26071794000).

26011261088 is an abundant number, since it is smaller than the sum of its proper divisors (26132326912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26011261088 is a wasteful number, since it uses less digits than its factorization.

26011261088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517 (or 17509 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 26011261088 in words is "twenty-six billion, eleven million, two hundred sixty-one thousand, eighty-eight".