11542669 has 2 divisors, whose sum is σ = 11542670. Its totient is φ = 11542668.

The previous prime is 11542651. The next prime is 11542673. The reversal of 11542669 is 96624511.

11542669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10465225 + 1077444 = 3235^2 + 1038^2 .

It is an emirp because it is prime and its reverse (96624511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11542669 - 2¹⁷ = 11411597 is a prime.

It is a super-2 number, since 2×11542669² = 266466415287122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11542639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771334 + 5771335.

It is an arithmetic number, because the mean of its divisors is an integer number (5771335).

Almost surely, 2^11542669 is an apocalyptic number.

It is an amenable number.

11542669 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542669 is an equidigital number, since it uses as much as digits as its factorization.

11542669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 11542669 is about 3397.4503675551. The cubic root of 11542669 is about 225.9966911568.

The spelling of 11542669 in words is "eleven million, five hundred forty-two thousand, six hundred sixty-nine".