11862764805 has 16 divisors (see below), whose sum is σ = 19493409024. Its totient is φ = 6155812800.

The previous prime is 11862764783. The next prime is 11862764813. The reversal of 11862764805 is 50846726811.

It is not a de Polignac number, because 11862764805 - 2⁵ = 11862764773 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, 10686621 + ... + 10687730.

It is an arithmetic number, because the mean of its divisors is an integer number (1218338064).

Almost surely, 2^11862764805 is an apocalyptic number.

11862764805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11862764805 is a deficient number, since it is larger than the sum of its proper divisors (7630644219).

11862764805 is a wasteful number, since it uses less digits than its factorization.

11862764805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21374396.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 11862764805 in words is "eleven billion, eight hundred sixty-two million, seven hundred sixty-four thousand, eight hundred five".