11251957 has 4 divisors (see below), whose sum is σ = 11272716. Its totient is φ = 11231200.

The previous prime is 11251931. The next prime is 11251969. The reversal of 11251957 is 75915211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 269361 + 10982596 = 519^2 + 3314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11251957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251907) 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, 9544 + ... + 10657.

It is an arithmetic number, because the mean of its divisors is an integer number (2818179).

Almost surely, 2^11251957 is an apocalyptic number.

It is an amenable number.

11251957 is a deficient number, since it is larger than the sum of its proper divisors (20759).

11251957 is an equidigital number, since it uses as much as digits as its factorization.

11251957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20758.

The product of its digits is 3150, while the sum is 31.

The square root of 11251957 is about 3354.3936858991. The cubic root of 11251957 is about 224.0832293287.

The spelling of 11251957 in words is "eleven million, two hundred fifty-one thousand, nine hundred fifty-seven".