11111097 has 8 divisors (see below), whose sum is σ = 14863680. Its totient is φ = 7382960.

The previous prime is 11111083. The next prime is 11111099. The reversal of 11111097 is 79011111.

11111097 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11111097 - 2¹⁶ = 11045561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5022 + ... + 6887.

It is an arithmetic number, because the mean of its divisors is an integer number (1857960).

Almost surely, 2^11111097 is an apocalyptic number.

It is an amenable number.

11111097 is a deficient number, since it is larger than the sum of its proper divisors (3752583).

11111097 is a wasteful number, since it uses less digits than its factorization.

11111097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12223.

The product of its (nonzero) digits is 63, while the sum is 21.

The square root of 11111097 is about 3333.3312166660. The cubic root of 11111097 is about 223.1442222296.

The spelling of 11111097 in words is "eleven million, one hundred eleven thousand, ninety-seven".