11653244563 has 2 divisors, whose sum is σ = 11653244564. Its totient is φ = 11653244562.

The previous prime is 11653244549. The next prime is 11653244573. The reversal of 11653244563 is 36544235611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11653244563 - 2⁹ = 11653244051 is a prime.

It is not a weakly prime, because it can be changed into another prime (11653244573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5826622281 + 5826622282.

It is an arithmetic number, because the mean of its divisors is an integer number (5826622282).

Almost surely, 2^11653244563 is an apocalyptic number.

11653244563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11653244563 is an equidigital number, since it uses as much as digits as its factorization.

11653244563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 40.

The spelling of 11653244563 in words is "eleven billion, six hundred fifty-three million, two hundred forty-four thousand, five hundred sixty-three".