11010997 has 4 divisors (see below), whose sum is σ = 11489760. Its totient is φ = 10532236.

The previous prime is 11010971. The next prime is 11011003. The reversal of 11010997 is 79901011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79901011 = 23 ⋅3473957.

It is a cyclic number.

It is not a de Polignac number, because 11010997 - 2¹⁵ = 10978229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239347 + ... + 239392.

It is an arithmetic number, because the mean of its divisors is an integer number (2872440).

Almost surely, 2^11010997 is an apocalyptic number.

It is an amenable number.

11010997 is a deficient number, since it is larger than the sum of its proper divisors (478763).

11010997 is an equidigital number, since it uses as much as digits as its factorization.

11010997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478762.

The product of its (nonzero) digits is 567, while the sum is 28.

The square root of 11010997 is about 3318.2822363386. The cubic root of 11010997 is about 222.4720968249.

The spelling of 11010997 in words is "eleven million, ten thousand, nine hundred ninety-seven".