11520222645 has 8 divisors (see below), whose sum is σ = 18432356256. Its totient is φ = 6144118736.

The previous prime is 11520222617. The next prime is 11520222691. The reversal of 11520222645 is 54622202511.

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 11520222645 - 2²⁸ = 11251787189 is a prime.

It is a Curzon number.

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, 384007407 + ... + 384007436.

It is an arithmetic number, because the mean of its divisors is an integer number (2304044532).

Almost surely, 2^11520222645 is an apocalyptic number.

11520222645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11520222645 is a deficient number, since it is larger than the sum of its proper divisors (6912133611).

11520222645 is an equidigital number, since it uses as much as digits as its factorization.

11520222645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768014851.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 11520222645 in words is "eleven billion, five hundred twenty million, two hundred twenty-two thousand, six hundred forty-five".