11709090450 has 54 divisors (see below), whose sum is σ = 31464591327. Its totient is φ = 3121812000.

The previous prime is 11709090413. The next prime is 11709090467. The reversal of 11709090450 is 5409090711.

11709090450 is a `hidden beast` number, since 117 + 0 + 9 + 0 + 90 + 450 = 666.

11709090450 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 5 ways, for example, as 173686041 + 11535404409 = 13179^2 + 107403^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=76515.

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 26 ways as a sum of consecutive naturals, for example, 2292900 + ... + 2298000.

Almost surely, 2^11709090450 is an apocalyptic number.

11709090450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11709090450 is an abundant number, since it is smaller than the sum of its proper divisors (19755500877).

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

11709090450 is an frugal number, since it uses more digits than its factorization.

11709090450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10220 (or 5111 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 11709090450 in words is "eleven billion, seven hundred nine million, ninety thousand, four hundred fifty".