11401312312 has 64 divisors (see below), whose sum is σ = 23690066400. Its totient is φ = 5109972480.

The previous prime is 11401312291. The next prime is 11401312369. The reversal of 11401312312 is 21321310411.

It is a self number, because there is not a number n which added to its sum of digits gives 11401312312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2194614 + ... + 2199802.

Almost surely, 2^11401312312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11401312312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11845033200).

11401312312 is an abundant number, since it is smaller than the sum of its proper divisors (12288754088).

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

11401312312 is a wasteful number, since it uses less digits than its factorization.

11401312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816 (or 5812 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11401312312 its reverse (21321310411), we get a palindrome (32722622723).

The spelling of 11401312312 in words is "eleven billion, four hundred one million, three hundred twelve thousand, three hundred twelve".