11611497 has 4 divisors (see below), whose sum is σ = 15482000. Its totient is φ = 7740996.

The previous prime is 11611477. The next prime is 11611507. The reversal of 11611497 is 79411611.

11611497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 79411611 = 3 ⋅26470537.

It is not a de Polignac number, because 11611497 - 2⁶ = 11611433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11611427) 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, 1935247 + ... + 1935252.

It is an arithmetic number, because the mean of its divisors is an integer number (3870500).

Almost surely, 2^11611497 is an apocalyptic number.

It is an amenable number.

11611497 is a deficient number, since it is larger than the sum of its proper divisors (3870503).

11611497 is an equidigital number, since it uses as much as digits as its factorization.

11611497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870502.

The product of its digits is 1512, while the sum is 30.

The square root of 11611497 is about 3407.5646729006. The cubic root of 11611497 is about 226.4450012412.

The spelling of 11611497 in words is "eleven million, six hundred eleven thousand, four hundred ninety-seven".