11986026205 has 16 divisors (see below), whose sum is σ = 15232748544. Its totient is φ = 9022731520.

The previous prime is 11986026181. The next prime is 11986026211. The reversal of 11986026205 is 50262068911.

It is not a de Polignac number, because 11986026205 - 2⁷ = 11986026077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437460 + ... + 464050.

It is an arithmetic number, because the mean of its divisors is an integer number (952046784).

Almost surely, 2^11986026205 is an apocalyptic number.

It is an amenable number.

11986026205 is a deficient number, since it is larger than the sum of its proper divisors (3246722339).

11986026205 is a wasteful number, since it uses less digits than its factorization.

11986026205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31916.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 11986026205 in words is "eleven billion, nine hundred eighty-six million, twenty-six thousand, two hundred five".