11528293999 has 2 divisors, whose sum is σ = 11528294000. Its totient is φ = 11528293998.

The previous prime is 11528293961. The next prime is 11528294003. The reversal of 11528293999 is 99939282511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11528293999 - 2²⁷ = 11394076271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11528293939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5764146999 + 5764147000.

It is an arithmetic number, because the mean of its divisors is an integer number (5764147000).

Almost surely, 2^11528293999 is an apocalyptic number.

11528293999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11528293999 is an equidigital number, since it uses as much as digits as its factorization.

11528293999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 58.

The spelling of 11528293999 in words is "eleven billion, five hundred twenty-eight million, two hundred ninety-three thousand, nine hundred ninety-nine".