11856335790 has 32 divisors (see below), whose sum is σ = 30644068896. Its totient is φ = 2918482560.

The previous prime is 11856335773. The next prime is 11856335791. The reversal of 11856335790 is 9753365811.

11856335790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11856335791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15200041 + ... + 15200820.

It is an arithmetic number, because the mean of its divisors is an integer number (957627153).

Almost surely, 2^11856335790 is an apocalyptic number.

11856335790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11856335790 is an abundant number, since it is smaller than the sum of its proper divisors (18787733106).

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

11856335790 is a wasteful number, since it uses less digits than its factorization.

11856335790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30400884.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 11856335790 in words is "eleven billion, eight hundred fifty-six million, three hundred thirty-five thousand, seven hundred ninety".