11655267263 has 2 divisors, whose sum is σ = 11655267264. Its totient is φ = 11655267262.

The previous prime is 11655267233. The next prime is 11655267287. The reversal of 11655267263 is 36276255611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11655267263 - 2¹⁰ = 11655266239 is a prime.

It is a super-2 number, since 2×11655267263² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11655267233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827633631 + 5827633632.

It is an arithmetic number, because the mean of its divisors is an integer number (5827633632).

Almost surely, 2^11655267263 is an apocalyptic number.

11655267263 is a deficient number, since it is larger than the sum of its proper divisors (1).

11655267263 is an equidigital number, since it uses as much as digits as its factorization.

11655267263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The spelling of 11655267263 in words is "eleven billion, six hundred fifty-five million, two hundred sixty-seven thousand, two hundred sixty-three".