11885331992790 has 32 divisors (see below), whose sum is σ = 28638441409536. Its totient is φ = 3156794684000.

The previous prime is 11885331992771. The next prime is 11885331992797. The reversal of 11885331992790 is 9729913358811.

It is a super-2 number, since 2×11885331992790² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885331992797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789191142 + ... + 789206201.

It is an arithmetic number, because the mean of its divisors is an integer number (894951294048).

Almost surely, 2^{11885331992790} is an apocalyptic number.

11885331992790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11885331992790 is an abundant number, since it is smaller than the sum of its proper divisors (16753109416746).

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

11885331992790 is a wasteful number, since it uses less digits than its factorization.

11885331992790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578397604.

The product of its (nonzero) digits is 29393280, while the sum is 66.

The spelling of 11885331992790 in words is "eleven trillion, eight hundred eighty-five billion, three hundred thirty-one million, nine hundred ninety-two thousand, seven hundred ninety".