11078457 has 12 divisors (see below), whose sum is σ = 15995664. Its totient is φ = 6817200.

The previous prime is 11078447. The next prime is 11078461. The reversal of 11078457 is 75487011.

It is not a de Polignac number, because 11078457 - 2¹⁰ = 11077433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11078437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10419 + ... + 11432.

It is an arithmetic number, because the mean of its divisors is an integer number (1332972).

Almost surely, 2^11078457 is an apocalyptic number.

It is an amenable number.

11078457 is a deficient number, since it is larger than the sum of its proper divisors (4917207).

11078457 is a wasteful number, since it uses less digits than its factorization.

11078457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21880 (or 21867 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 11078457 is about 3328.4316126368. The cubic root of 11078457 is about 222.9255048213.

The spelling of 11078457 in words is "eleven million, seventy-eight thousand, four hundred fifty-seven".