11553469 has 2 divisors, whose sum is σ = 11553470. Its totient is φ = 11553468.

The previous prime is 11553467. The next prime is 11553481. The reversal of 11553469 is 96435511.

11553469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 2762244 = 2965^2 + 1662^2 .

It is an emirp because it is prime and its reverse (96435511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11553469 - 2¹ = 11553467 is a prime.

It is a super-2 number, since 2×11553469² = 266965291867922, which contains 22 as substring.

Together with 11553467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11553467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776734 + 5776735.

It is an arithmetic number, because the mean of its divisors is an integer number (5776735).

Almost surely, 2^11553469 is an apocalyptic number.

It is an amenable number.

11553469 is a deficient number, since it is larger than the sum of its proper divisors (1).

11553469 is an equidigital number, since it uses as much as digits as its factorization.

11553469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 34.

The square root of 11553469 is about 3399.0394231312. The cubic root of 11553469 is about 226.0671544503.

It can be divided in two parts, 1155 and 3469, that added together give a square (4624 = 68²).

The spelling of 11553469 in words is "eleven million, five hundred fifty-three thousand, four hundred sixty-nine".