11455257 has 8 divisors (see below), whose sum is σ = 16662240. Its totient is φ = 6942560.

The previous prime is 11455253. The next prime is 11455259. The reversal of 11455257 is 75255411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11455257 - 2² = 11455253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11455253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173532 + ... + 173597.

It is an arithmetic number, because the mean of its divisors is an integer number (2082780).

Almost surely, 2^11455257 is an apocalyptic number.

It is an amenable number.

11455257 is a deficient number, since it is larger than the sum of its proper divisors (5206983).

11455257 is a wasteful number, since it uses less digits than its factorization.

11455257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347143.

The product of its digits is 7000, while the sum is 30.

The square root of 11455257 is about 3384.5615668798. The cubic root of 11455257 is about 225.4247581249.

The spelling of 11455257 in words is "eleven million, four hundred fifty-five thousand, two hundred fifty-seven".