11563231151 has 2 divisors, whose sum is σ = 11563231152. Its totient is φ = 11563231150.

The previous prime is 11563231133. The next prime is 11563231327. The reversal of 11563231151 is 15113236511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11563231151 - 2¹⁸ = 11562969007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11563231951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5781615575 + 5781615576.

It is an arithmetic number, because the mean of its divisors is an integer number (5781615576).

Almost surely, 2^11563231151 is an apocalyptic number.

11563231151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11563231151 is an equidigital number, since it uses as much as digits as its factorization.

11563231151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 29.

Adding to 11563231151 its reverse (15113236511), we get a palindrome (26676467662).

The spelling of 11563231151 in words is "eleven billion, five hundred sixty-three million, two hundred thirty-one thousand, one hundred fifty-one".