11131112401 has 4 divisors (see below), whose sum is σ = 11287888704. Its totient is φ = 10974336100.

The previous prime is 11131112387. The next prime is 11131112429. The reversal of 11131112401 is 10421113111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11131112401 - 2⁷ = 11131112273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131112801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78388045 + ... + 78388186.

It is an arithmetic number, because the mean of its divisors is an integer number (2821972176).

Almost surely, 2^11131112401 is an apocalyptic number.

It is an amenable number.

11131112401 is a deficient number, since it is larger than the sum of its proper divisors (156776303).

11131112401 is an equidigital number, since it uses as much as digits as its factorization.

11131112401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156776302.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11131112401 its reverse (10421113111), we get a palindrome (21552225512).

The spelling of 11131112401 in words is "eleven billion, one hundred thirty-one million, one hundred twelve thousand, four hundred one".