11450163636225 has 192 divisors, whose sum is σ = 23678545190400. Its totient is φ = 5393904721920.

The previous prime is 11450163636193. The next prime is 11450163636227. The reversal of 11450163636225 is 52263636105411.

It is a happy number.

11450163636225 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 0 + 1 + 6 + 3 + 636 + 2 + 2 + 5 = 666.

11450163636225 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 11450163636225 - 2⁵ = 11450163636193 is a prime.

It is a super-2 number, since 2×11450163636225² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11450163636227) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13578741 + ... + 14397309.

It is an arithmetic number, because the mean of its divisors is an integer number (123325756200).

Almost surely, 2^{11450163636225} is an apocalyptic number.

11450163636225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11450163636225 is an abundant number, since it is smaller than the sum of its proper divisors (12228381554175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11450163636225 is a wasteful number, since it uses less digits than its factorization.

11450163636225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818681 (or 818670 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 11450163636225 in words is "eleven trillion, four hundred fifty billion, one hundred sixty-three million, six hundred thirty-six thousand, two hundred twenty-five".