11220626545 has 24 divisors (see below), whose sum is σ = 14201549568. Its totient is φ = 8501848800.

The previous prime is 11220626539. The next prime is 11220626551. The reversal of 11220626545 is 54562602211.

11220626545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11220626539) and next prime (11220626551).

It is a de Polignac number, because none of the positive numbers 2^k-11220626545 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220626545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326010 + ... + 358780.

It is an arithmetic number, because the mean of its divisors is an integer number (591731232).

Almost surely, 2^11220626545 is an apocalyptic number.

It is an amenable number.

11220626545 is a deficient number, since it is larger than the sum of its proper divisors (2980923023).

11220626545 is an equidigital number, since it uses as much as digits as its factorization.

11220626545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32901 (or 32854 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 11220626545 in words is "eleven billion, two hundred twenty million, six hundred twenty-six thousand, five hundred forty-five".