11312444401 has 2 divisors, whose sum is σ = 11312444402. Its totient is φ = 11312444400.

The previous prime is 11312444383. The next prime is 11312444431. The reversal of 11312444401 is 10444421311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9336197376 + 1976247025 = 96624^2 + 44455^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312444401 - 2⁵ = 11312444369 is a prime.

It is not a weakly prime, because it can be changed into another prime (11312444431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656222200 + 5656222201.

It is an arithmetic number, because the mean of its divisors is an integer number (5656222201).

Almost surely, 2^11312444401 is an apocalyptic number.

It is an amenable number.

11312444401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312444401 is an equidigital number, since it uses as much as digits as its factorization.

11312444401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11312444401 its reverse (10444421311), we get a palindrome (21756865712).

The spelling of 11312444401 in words is "eleven billion, three hundred twelve million, four hundred forty-four thousand, four hundred one".