11545033091 has 2 divisors, whose sum is σ = 11545033092. Its totient is φ = 11545033090.

The previous prime is 11545033079. The next prime is 11545033111. The reversal of 11545033091 is 19033054511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11545033091 - 2²² = 11540838787 is a prime.

It is not a weakly prime, because it can be changed into another prime (11545033021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772516545 + 5772516546.

It is an arithmetic number, because the mean of its divisors is an integer number (5772516546).

Almost surely, 2^11545033091 is an apocalyptic number.

11545033091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11545033091 is an equidigital number, since it uses as much as digits as its factorization.

11545033091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 11545033091 in words is "eleven billion, five hundred forty-five million, thirty-three thousand, ninety-one".