11250520245 has 32 divisors (see below), whose sum is σ = 20010291840. Its totient is φ = 5997467520.

The previous prime is 11250520231. The next prime is 11250520247. The reversal of 11250520245 is 54202505211.

11250520245 is a `hidden beast` number, since 112 + 5 + 0 + 520 + 24 + 5 = 666.

11250520245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11250520245 - 2⁵ = 11250520213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11250520247) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 287665 + ... + 324425.

It is an arithmetic number, because the mean of its divisors is an integer number (625321620).

Almost surely, 2^11250520245 is an apocalyptic number.

11250520245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11250520245 is a deficient number, since it is larger than the sum of its proper divisors (8759771595).

11250520245 is a wasteful number, since it uses less digits than its factorization.

11250520245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39042 (or 39036 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 11250520245 in words is "eleven billion, two hundred fifty million, five hundred twenty thousand, two hundred forty-five".