11506157 has 8 divisors (see below), whose sum is σ = 12418560. Its totient is φ = 10597680.

The previous prime is 11506139. The next prime is 11506163. The reversal of 11506157 is 75160511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11506157 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 (11500157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8732 + ... + 9962.

It is an arithmetic number, because the mean of its divisors is an integer number (1552320).

Almost surely, 2^11506157 is an apocalyptic number.

It is an amenable number.

11506157 is a deficient number, since it is larger than the sum of its proper divisors (912403).

11506157 is a wasteful number, since it uses less digits than its factorization.

11506157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 11506157 is about 3392.0726702121. The cubic root of 11506157 is about 225.7581470488.

Adding to 11506157 its reverse (75160511), we get a palindrome (86666668).

The spelling of 11506157 in words is "eleven million, five hundred six thousand, one hundred fifty-seven".