11500022090 has 8 divisors (see below), whose sum is σ = 20700039780. Its totient is φ = 4600008832.

The previous prime is 11500022081. The next prime is 11500022119. The reversal of 11500022090 is 9022000511.

11500022090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10730680921 + 769341169 = 103589^2 + 27737^2 .

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 575001095 + ... + 575001114.

Almost surely, 2^11500022090 is an apocalyptic number.

11500022090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11500022090 is a deficient number, since it is larger than the sum of its proper divisors (9200017690).

11500022090 is a wasteful number, since it uses less digits than its factorization.

11500022090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150002216.

The product of its (nonzero) digits is 180, while the sum is 20.

The spelling of 11500022090 in words is "eleven billion, five hundred million, twenty-two thousand, ninety".