11550157 has 8 divisors (see below), whose sum is σ = 12873600. Its totient is φ = 10298304.

The previous prime is 11550137. The next prime is 11550169. The reversal of 11550157 is 75105511.

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

It is not a de Polignac number, because 11550157 - 2⁷ = 11550029 is a prime.

It is a super-2 number, since 2×11550157² = 266812253449298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550137) 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, 17557 + ... + 18202.

It is an arithmetic number, because the mean of its divisors is an integer number (1609200).

Almost surely, 2^11550157 is an apocalyptic number.

11550157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11550157 is a deficient number, since it is larger than the sum of its proper divisors (1323443).

11550157 is a wasteful number, since it uses less digits than its factorization.

11550157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35795.

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 11550157 is about 3398.5521917428. The cubic root of 11550157 is about 226.0455503770.

Adding to 11550157 its reverse (75105511), we get a palindrome (86655668).

The spelling of 11550157 in words is "eleven million, five hundred fifty thousand, one hundred fifty-seven".