11811250090 has 8 divisors (see below), whose sum is σ = 21260250180. Its totient is φ = 4724500032.

The previous prime is 11811250069. The next prime is 11811250097. The reversal of 11811250090 is 9005211811.

It can be written as a sum of positive squares in 2 ways, for example, as 11528102161 + 283147929 = 107369^2 + 16827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11811250097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590562495 + ... + 590562514.

Almost surely, 2^11811250090 is an apocalyptic number.

11811250090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11811250090 is a deficient number, since it is larger than the sum of its proper divisors (9449000090).

11811250090 is a wasteful number, since it uses less digits than its factorization.

11811250090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181125016.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 11811250090 in words is "eleven billion, eight hundred eleven million, two hundred fifty thousand, ninety".