11231095820 has 48 divisors (see below), whose sum is σ = 26972617728. Its totient is φ = 3848091840.

The previous prime is 11231095819. The next prime is 11231095831. The reversal of 11231095820 is 2859013211.

It is a happy number.

11231095820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11231095820² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 190025 + ... + 242015.

It is an arithmetic number, because the mean of its divisors is an integer number (561929536).

Almost surely, 2^11231095820 is an apocalyptic number.

11231095820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231095820 is an abundant number, since it is smaller than the sum of its proper divisors (15741521908).

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

11231095820 is a wasteful number, since it uses less digits than its factorization.

11231095820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53550 (or 53548 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 11231095820 in words is "eleven billion, two hundred thirty-one million, ninety-five thousand, eight hundred twenty".