11097639 has 12 divisors (see below), whose sum is σ = 18320016. Its totient is φ = 6341472.

The previous prime is 11097637. The next prime is 11097643. The reversal of 11097639 is 93679011.

11097639 is a `hidden beast` number, since 1 + 10 + 9 + 7 + 639 = 666.

11097639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11097639 - 2¹ = 11097637 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11097637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88014 + ... + 88139.

It is an arithmetic number, because the mean of its divisors is an integer number (1526668).

Almost surely, 2^11097639 is an apocalyptic number.

11097639 is a deficient number, since it is larger than the sum of its proper divisors (7222377).

11097639 is a wasteful number, since it uses less digits than its factorization.

11097639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176166 (or 176163 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 11097639 is about 3331.3119037400. The cubic root of 11097639 is about 223.0540934685.

The spelling of 11097639 in words is "eleven million, ninety-seven thousand, six hundred thirty-nine".