11087458209 has 9 divisors (see below), whose sum is σ = 16015673713. Its totient is φ = 7391428212.

The previous prime is 11087458181. The next prime is 11087458211. The reversal of 11087458209 is 90285478011.

The square root of 11087458209 is 105297.

It is a perfect power (a square), and thus also a powerful number.

11087458209 is a `hidden beast` number, since 110 + 87 + 458 + 2 + 0 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 11087458209 - 2¹⁵ = 11087425441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11087458219) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 298342 + ... + 333440.

Almost surely, 2^11087458209 is an apocalyptic number.

11087458209 is the 105297-th square number.

11087458209 is the 52649-th centered octagonal number.

It is an amenable number.

11087458209 is a deficient number, since it is larger than the sum of its proper divisors (4928215504).

11087458209 is an frugal number, since it uses more digits than its factorization.

11087458209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70204 (or 35102 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 11087458209 in words is "eleven billion, eighty-seven million, four hundred fifty-eight thousand, two hundred nine".