11313784812 has 24 divisors (see below), whose sum is σ = 28798725312. Its totient is φ = 3428419600.

The previous prime is 11313784799. The next prime is 11313784837. The reversal of 11313784812 is 21848731311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42855114 + ... + 42855377.

It is an arithmetic number, because the mean of its divisors is an integer number (1199946888).

Almost surely, 2^11313784812 is an apocalyptic number.

11313784812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11313784812 is an abundant number, since it is smaller than the sum of its proper divisors (17484940500).

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

11313784812 is a wasteful number, since it uses less digits than its factorization.

11313784812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85710509 (or 85710507 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The spelling of 11313784812 in words is "eleven billion, three hundred thirteen million, seven hundred eighty-four thousand, eight hundred twelve".