11125657 has 4 divisors (see below), whose sum is σ = 11145780. Its totient is φ = 11105536.

The previous prime is 11125651. The next prime is 11125661. The reversal of 11125657 is 75652111.

11125657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75652111 = 661 ⋅114451.

It can be written as a sum of positive squares in 2 ways, for example, as 5645376 + 5480281 = 2376^2 + 2341^2 .

It is a cyclic number.

It is not a de Polignac number, because 11125657 - 2¹⁵ = 11092889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11125651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9208 + ... + 10345.

It is an arithmetic number, because the mean of its divisors is an integer number (2786445).

Almost surely, 2^11125657 is an apocalyptic number.

It is an amenable number.

11125657 is a deficient number, since it is larger than the sum of its proper divisors (20123).

11125657 is an equidigital number, since it uses as much as digits as its factorization.

11125657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20122.

The product of its digits is 2100, while the sum is 28.

The square root of 11125657 is about 3335.5145030415. The cubic root of 11125657 is about 223.2416492059.

Adding to 11125657 its reverse (75652111), we get a palindrome (86777768).

The spelling of 11125657 in words is "eleven million, one hundred twenty-five thousand, six hundred fifty-seven".