11311411312 has 40 divisors (see below), whose sum is σ = 23484653136. Its totient is φ = 5258873856.

The previous prime is 11311411297. The next prime is 11311411333. The reversal of 11311411312 is 21311411311.

It is a super-2 number, since 2×11311411312² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11311411312.

It is a congruent 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, 227943 + ... + 273094.

Almost surely, 2^11311411312 is an apocalyptic number.

It is an amenable number.

11311411312 is an abundant number, since it is smaller than the sum of its proper divisors (12173241824).

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

11311411312 is a wasteful number, since it uses less digits than its factorization.

11311411312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501145 (or 501139 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

Adding to 11311411312 its reverse (21311411311), we get a palindrome (32622822623).

Subtracting 11311411312 from its reverse (21311411311), we obtain a palindrome (9999999999).

The spelling of 11311411312 in words is "eleven billion, three hundred eleven million, four hundred eleven thousand, three hundred twelve".