11811310941 has 16 divisors (see below), whose sum is σ = 15987641024. Its totient is φ = 7754655744.

The previous prime is 11811310939. The next prime is 11811310967. The reversal of 11811310941 is 14901311811.

It is a happy number.

It is not a de Polignac number, because 11811310941 - 2¹ = 11811310939 is a prime.

It is a super-2 number, since 2×11811310941² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11811310899 and 11811310908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11811310981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1462671 + ... + 1470723.

It is an arithmetic number, because the mean of its divisors is an integer number (999227564).

Almost surely, 2^11811310941 is an apocalyptic number.

It is an amenable number.

11811310941 is a deficient number, since it is larger than the sum of its proper divisors (4176330083).

11811310941 is an equidigital number, since it uses as much as digits as its factorization.

11811310941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15420.

The product of its (nonzero) digits is 864, while the sum is 30.

The spelling of 11811310941 in words is "eleven billion, eight hundred eleven million, three hundred ten thousand, nine hundred forty-one".