11312112401 has 2 divisors, whose sum is σ = 11312112402. Its totient is φ = 11312112400.

The previous prime is 11312112397. The next prime is 11312112407. The reversal of 11312112401 is 10421121311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10213123600 + 1098988801 = 101060^2 + 33151^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312112401 - 2² = 11312112397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11312112401.

It is not a weakly prime, because it can be changed into another prime (11312112407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656056200 + 5656056201.

It is an arithmetic number, because the mean of its divisors is an integer number (5656056201).

Almost surely, 2^11312112401 is an apocalyptic number.

It is an amenable number.

11312112401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312112401 is an equidigital number, since it uses as much as digits as its factorization.

11312112401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11312112401 its reverse (10421121311), we get a palindrome (21733233712).

The spelling of 11312112401 in words is "eleven billion, three hundred twelve million, one hundred twelve thousand, four hundred one".