11142553 has 2 divisors, whose sum is σ = 11142554. Its totient is φ = 11142552.

The previous prime is 11142539. The next prime is 11142581. The reversal of 11142553 is 35524111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8363664 + 2778889 = 2892^2 + 1667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11142553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11142253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571276 + 5571277.

It is an arithmetic number, because the mean of its divisors is an integer number (5571277).

Almost surely, 2^11142553 is an apocalyptic number.

It is an amenable number.

11142553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142553 is an equidigital number, since it uses as much as digits as its factorization.

11142553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 22.

The square root of 11142553 is about 3338.0462848798. The cubic root of 11142553 is about 223.3546008310.

Adding to 11142553 its reverse (35524111), we get a palindrome (46666664).

The spelling of 11142553 in words is "eleven million, one hundred forty-two thousand, five hundred fifty-three".