11250501427809 has 128 divisors (see below), whose sum is σ = 20047813094400. Its totient is φ = 6100298127360.

The previous prime is 11250501427787. The next prime is 11250501427811. The reversal of 11250501427809 is 90872410505211.

11250501427809 is a `hidden beast` number, since 1 + 1 + 25 + 0 + 501 + 42 + 7 + 80 + 9 = 666.

It is not a de Polignac number, because 11250501427809 - 2⁵ = 11250501427777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11250501428809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1042769787 + ... + 1042780575.

It is an arithmetic number, because the mean of its divisors is an integer number (156623539800).

Almost surely, 2^{11250501427809} is an apocalyptic number.

It is an amenable number.

11250501427809 is a deficient number, since it is larger than the sum of its proper divisors (8797311666591).

11250501427809 is a wasteful number, since it uses less digits than its factorization.

11250501427809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14520 (or 14514 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 11250501427809 in words is "eleven trillion, two hundred fifty billion, five hundred one million, four hundred twenty-seven thousand, eight hundred nine".