11091860026 has 16 divisors (see below), whose sum is σ = 18008580744. Its totient is φ = 5093331264.

The previous prime is 11091859973. The next prime is 11091860053. The reversal of 11091860026 is 62006819011.

It can be written as a sum of positive squares in 4 ways, for example, as 7955748025 + 3136112001 = 89195^2 + 56001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11091859973 and 11091860000.

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, 1077645 + ... + 1087888.

Almost surely, 2^11091860026 is an apocalyptic number.

11091860026 is a deficient number, since it is larger than the sum of its proper divisors (6916720718).

11091860026 is a wasteful number, since it uses less digits than its factorization.

11091860026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165745.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 11091860026 in words is "eleven billion, ninety-one million, eight hundred sixty thousand, twenty-six".