11212313156 has 24 divisors (see below), whose sum is σ = 21425001024. Its totient is φ = 5091821280.

The previous prime is 11212313153. The next prime is 11212313179. The reversal of 11212313156 is 65131321211.

It is not an unprimeable number, because it can be changed into a prime (11212313153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68480 + ... + 164663.

It is an arithmetic number, because the mean of its divisors is an integer number (892708376).

Almost surely, 2^11212313156 is an apocalyptic number.

It is an amenable number.

11212313156 is a deficient number, since it is larger than the sum of its proper divisors (10212687868).

11212313156 is a wasteful number, since it uses less digits than its factorization.

11212313156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234251 (or 234249 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

Adding to 11212313156 its reverse (65131321211), we get a palindrome (76343634367).

The spelling of 11212313156 in words is "eleven billion, two hundred twelve million, three hundred thirteen thousand, one hundred fifty-six".