11245140811 has 2 divisors, whose sum is σ = 11245140812. Its totient is φ = 11245140810.

The previous prime is 11245140791. The next prime is 11245140817. The reversal of 11245140811 is 11804154211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11804154211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11245140811 - 2⁵ = 11245140779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11245140811.

It is not a weakly prime, because it can be changed into another prime (11245140817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5622570405 + 5622570406.

It is an arithmetic number, because the mean of its divisors is an integer number (5622570406).

Almost surely, 2^11245140811 is an apocalyptic number.

11245140811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11245140811 is an equidigital number, since it uses as much as digits as its factorization.

11245140811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 28.

The spelling of 11245140811 in words is "eleven billion, two hundred forty-five million, one hundred forty thousand, eight hundred eleven".