11011797 has 6 divisors (see below), whose sum is σ = 15905942. Its totient is φ = 7341192.

The previous prime is 11011787. The next prime is 11011807. The reversal of 11011797 is 79711011.

It is an interprime number because it is at equal distance from previous prime (11011787) and next prime (11011807).

It can be written as a sum of positive squares in only one way, i.e., 8964036 + 2047761 = 2994^2 + 1431^2 .

It is not a de Polignac number, because 11011797 - 2⁷ = 11011669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11011797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611758 + ... + 611775.

Almost surely, 2^11011797 is an apocalyptic number.

It is an amenable number.

11011797 is a deficient number, since it is larger than the sum of its proper divisors (4894145).

11011797 is a wasteful number, since it uses less digits than its factorization.

11011797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223539 (or 1223536 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 27.

The square root of 11011797 is about 3318.4027784463. The cubic root of 11011797 is about 222.4774845710.

The spelling of 11011797 in words is "eleven million, eleven thousand, seven hundred ninety-seven".