11553573659 has 2 divisors, whose sum is σ = 11553573660. Its totient is φ = 11553573658.

The previous prime is 11553573631. The next prime is 11553573673. The reversal of 11553573659 is 95637535511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11553573659 - 2¹⁶ = 11553508123 is a prime.

It is not a weakly prime, because it can be changed into another prime (11553572659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776786829 + 5776786830.

It is an arithmetic number, because the mean of its divisors is an integer number (5776786830).

Almost surely, 2^11553573659 is an apocalyptic number.

11553573659 is a deficient number, since it is larger than the sum of its proper divisors (1).

11553573659 is an equidigital number, since it uses as much as digits as its factorization.

11553573659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2126250, while the sum is 50.

The spelling of 11553573659 in words is "eleven billion, five hundred fifty-three million, five hundred seventy-three thousand, six hundred fifty-nine".