26011786091860 has 24 divisors (see below), whose sum is σ = 55017734617440. Its totient is φ = 10329860374944.

The previous prime is 26011786091833. The next prime is 26011786091881. The reversal of 26011786091860 is 6819068711062.

It is a super-2 number, since 2×26011786091860² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4678376014 + ... + 4678381573.

It is an arithmetic number, because the mean of its divisors is an integer number (2292405609060).

Almost surely, 2^{26011786091860} is an apocalyptic number.

26011786091860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26011786091860 is an abundant number, since it is smaller than the sum of its proper divisors (29005948525580).

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

26011786091860 is a wasteful number, since it uses less digits than its factorization.

26011786091860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356757735 (or 9356757733 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 26011786091860 in words is "twenty-six trillion, eleven billion, seven hundred eighty-six million, ninety-one thousand, eight hundred sixty".