11156132311 has 2 divisors, whose sum is σ = 11156132312. Its totient is φ = 11156132310.

The previous prime is 11156132303. The next prime is 11156132327. The reversal of 11156132311 is 11323165111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11156132311 - 2³ = 11156132303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11156132711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578066155 + 5578066156.

It is an arithmetic number, because the mean of its divisors is an integer number (5578066156).

Almost surely, 2^11156132311 is an apocalyptic number.

11156132311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11156132311 is an equidigital number, since it uses as much as digits as its factorization.

11156132311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 25.

Adding to 11156132311 its reverse (11323165111), we get a palindrome (22479297422).

The spelling of 11156132311 in words is "eleven billion, one hundred fifty-six million, one hundred thirty-two thousand, three hundred eleven".