11132120311 has 16 divisors (see below), whose sum is σ = 12649500640. Its totient is φ = 9711757440.

The previous prime is 11132120303. The next prime is 11132120323. The reversal of 11132120311 is 11302123111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11132120311 - 2³ = 11132120303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132120341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50461 + ... + 157513.

It is an arithmetic number, because the mean of its divisors is an integer number (790593790).

Almost surely, 2^11132120311 is an apocalyptic number.

11132120311 is a deficient number, since it is larger than the sum of its proper divisors (1517380329).

11132120311 is a wasteful number, since it uses less digits than its factorization.

11132120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107506.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11132120311 its reverse (11302123111), we get a palindrome (22434243422).

The spelling of 11132120311 in words is "eleven billion, one hundred thirty-two million, one hundred twenty thousand, three hundred eleven".