26013126858 has 16 divisors (see below), whose sum is σ = 52218235776. Its totient is φ = 8639045280.

The previous prime is 26013126851. The next prime is 26013126859. The reversal of 26013126858 is 85862131062.

It is not an unprimeable number, because it can be changed into a prime (26013126851) by changing a digit.

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, 7997491 + ... + 8000742.

It is an arithmetic number, because the mean of its divisors is an integer number (3263639736).

Almost surely, 2^26013126858 is an apocalyptic number.

26013126858 is an abundant number, since it is smaller than the sum of its proper divisors (26205108918).

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

26013126858 is a wasteful number, since it uses less digits than its factorization.

26013126858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15998509.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 26013126858 in words is "twenty-six billion, thirteen million, one hundred twenty-six thousand, eight hundred fifty-eight".