11653505959 has 2 divisors, whose sum is σ = 11653505960. Its totient is φ = 11653505958.

The previous prime is 11653505911. The next prime is 11653505987. The reversal of 11653505959 is 95950535611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11653505959 - 2⁹ = 11653505447 is a prime.

It is a super-2 number, since 2×11653505959² (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 (11653500959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5826752979 + 5826752980.

It is an arithmetic number, because the mean of its divisors is an integer number (5826752980).

Almost surely, 2^11653505959 is an apocalyptic number.

11653505959 is a deficient number, since it is larger than the sum of its proper divisors (1).

11653505959 is an equidigital number, since it uses as much as digits as its factorization.

11653505959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 911250, while the sum is 49.

The spelling of 11653505959 in words is "eleven billion, six hundred fifty-three million, five hundred five thousand, nine hundred fifty-nine".