11533453501 has 2 divisors, whose sum is σ = 11533453502. Its totient is φ = 11533453500.

The previous prime is 11533453447. The next prime is 11533453513. The reversal of 11533453501 is 10535433511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6532842276 + 5000611225 = 80826^2 + 70715^2 .

It is a cyclic number.

It is not a de Polignac number, because 11533453501 - 2²⁹ = 10996582589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11533453301) 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, 5766726750 + 5766726751.

It is an arithmetic number, because the mean of its divisors is an integer number (5766726751).

Almost surely, 2^11533453501 is an apocalyptic number.

It is an amenable number.

11533453501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11533453501 is an equidigital number, since it uses as much as digits as its factorization.

11533453501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 11533453501 in words is "eleven billion, five hundred thirty-three million, four hundred fifty-three thousand, five hundred one".