11315723212 has 12 divisors (see below), whose sum is σ = 19814623920. Its totient is φ = 5654402096.

The previous prime is 11315723207. The next prime is 11315723213. The reversal of 11315723212 is 21232751311.

11315723212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11315723213) 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 3 ways as a sum of consecutive naturals, for example, 857512 + ... + 870607.

It is an arithmetic number, because the mean of its divisors is an integer number (1651218660).

Almost surely, 2^11315723212 is an apocalyptic number.

It is an amenable number.

11315723212 is a deficient number, since it is larger than the sum of its proper divisors (8498900708).

11315723212 is a wasteful number, since it uses less digits than its factorization.

11315723212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729760 (or 1729758 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The spelling of 11315723212 in words is "eleven billion, three hundred fifteen million, seven hundred twenty-three thousand, two hundred twelve".