11542642663 has 2 divisors, whose sum is σ = 11542642664. Its totient is φ = 11542642662.

The previous prime is 11542642619. The next prime is 11542642673. The reversal of 11542642663 is 36624624511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11542642663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11542642603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771321331 + 5771321332.

It is an arithmetic number, because the mean of its divisors is an integer number (5771321332).

Almost surely, 2^11542642663 is an apocalyptic number.

11542642663 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542642663 is an equidigital number, since it uses as much as digits as its factorization.

11542642663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The spelling of 11542642663 in words is "eleven billion, five hundred forty-two million, six hundred forty-two thousand, six hundred sixty-three".