10111457 has 4 divisors (see below), whose sum is σ = 10133760. Its totient is φ = 10089156.

The previous prime is 10111433. The next prime is 10111469. The reversal of 10111457 is 75411101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111417) 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 3 ways as a sum of consecutive naturals, for example, 10457 + ... + 11382.

It is an arithmetic number, because the mean of its divisors is an integer number (2533440).

Almost surely, 2^10111457 is an apocalyptic number.

It is an amenable number.

10111457 is a deficient number, since it is larger than the sum of its proper divisors (22303).

10111457 is an equidigital number, since it uses as much as digits as its factorization.

10111457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22302.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 10111457 is about 3179.8517261030. The cubic root of 10111457 is about 216.2409362813.

Adding to 10111457 its reverse (75411101), we get a palindrome (85522558).

The spelling of 10111457 in words is "ten million, one hundred eleven thousand, four hundred fifty-seven".