11545364009 has 2 divisors, whose sum is σ = 11545364010. Its totient is φ = 11545364008.

The previous prime is 11545363979. The next prime is 11545364023. The reversal of 11545364009 is 90046354511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11017651225 + 527712784 = 104965^2 + 22972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11545364009 is a prime.

It is not a weakly prime, because it can be changed into another prime (11545369009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772682004 + 5772682005.

It is an arithmetic number, because the mean of its divisors is an integer number (5772682005).

Almost surely, 2^11545364009 is an apocalyptic number.

It is an amenable number.

11545364009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11545364009 is an equidigital number, since it uses as much as digits as its factorization.

11545364009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 11545364009 in words is "eleven billion, five hundred forty-five million, three hundred sixty-four thousand, nine".