10117557 has 12 divisors (see below), whose sum is σ = 15383680. Its totient is φ = 6389928.

The previous prime is 10117553. The next prime is 10117561. The reversal of 10117557 is 75571101.

10117557 is a `hidden beast` number, since 101 + 1 + 7 + 557 = 666.

10117557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10117553) and next prime (10117561).

It is not a de Polignac number, because 10117557 - 2² = 10117553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10117557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10117553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29413 + ... + 29754.

Almost surely, 2^10117557 is an apocalyptic number.

It is an amenable number.

10117557 is a deficient number, since it is larger than the sum of its proper divisors (5266123).

10117557 is a wasteful number, since it uses less digits than its factorization.

10117557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59192 (or 59189 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 27.

The square root of 10117557 is about 3180.8107457062. The cubic root of 10117557 is about 216.2844118670.

Adding to 10117557 its reverse (75571101), we get a palindrome (85688658).

The spelling of 10117557 in words is "ten million, one hundred seventeen thousand, five hundred fifty-seven".