11152320645 has 8 divisors (see below), whose sum is σ = 17843713056. Its totient is φ = 5947904336.

The previous prime is 11152320607. The next prime is 11152320653. The reversal of 11152320645 is 54602325111.

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

It is a cyclic number.

It is not a de Polignac number, because 11152320645 - 2⁶ = 11152320581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371744007 + ... + 371744036.

It is an arithmetic number, because the mean of its divisors is an integer number (2230464132).

Almost surely, 2^11152320645 is an apocalyptic number.

11152320645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11152320645 is a deficient number, since it is larger than the sum of its proper divisors (6691392411).

11152320645 is an equidigital number, since it uses as much as digits as its factorization.

11152320645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743488051.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 11152320645 its reverse (54602325111), we get a palindrome (65754645756).

The spelling of 11152320645 in words is "eleven billion, one hundred fifty-two million, three hundred twenty thousand, six hundred forty-five".