11257135 has 4 divisors (see below), whose sum is σ = 13508568. Its totient is φ = 9005704.

The previous prime is 11257109. The next prime is 11257151. The reversal of 11257135 is 53175211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53175211 = 7129 ⋅7459.

It is a cyclic number.

It is not a de Polignac number, because 11257135 - 2¹³ = 11248943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125709 + ... + 1125718.

It is an arithmetic number, because the mean of its divisors is an integer number (3377142).

Almost surely, 2^11257135 is an apocalyptic number.

11257135 is a deficient number, since it is larger than the sum of its proper divisors (2251433).

11257135 is an equidigital number, since it uses as much as digits as its factorization.

11257135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251432.

The product of its digits is 1050, while the sum is 25.

The square root of 11257135 is about 3355.1654206611. The cubic root of 11257135 is about 224.1175974249.

The spelling of 11257135 in words is "eleven million, two hundred fifty-seven thousand, one hundred thirty-five".