11565366045 has 8 divisors (see below), whose sum is σ = 18504585696. Its totient is φ = 6168195216.

The previous prime is 11565366041. The next prime is 11565366049. The reversal of 11565366045 is 54066356511.

It is an interprime number because it is at equal distance from previous prime (11565366041) and next prime (11565366049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11565366045 - 2² = 11565366041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11565365988 and 11565366006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11565366041) 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 in 7 ways as a sum of consecutive naturals, for example, 385512187 + ... + 385512216.

It is an arithmetic number, because the mean of its divisors is an integer number (2313073212).

Almost surely, 2^11565366045 is an apocalyptic number.

11565366045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11565366045 is a deficient number, since it is larger than the sum of its proper divisors (6939219651).

11565366045 is an equidigital number, since it uses as much as digits as its factorization.

11565366045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771024411.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 11565366045 in words is "eleven billion, five hundred sixty-five million, three hundred sixty-six thousand, forty-five".