10113557 has 4 divisors (see below), whose sum is σ = 10348800. Its totient is φ = 9878316.

The previous prime is 10113553. The next prime is 10113559. The reversal of 10113557 is 75531101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75531101 = 2719 ⋅27779.

It is a cyclic number.

It is not a de Polignac number, because 10113557 - 2² = 10113553 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 (10113553) 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, 117557 + ... + 117642.

It is an arithmetic number, because the mean of its divisors is an integer number (2587200).

Almost surely, 2^10113557 is an apocalyptic number.

It is an amenable number.

10113557 is a deficient number, since it is larger than the sum of its proper divisors (235243).

10113557 is an equidigital number, since it uses as much as digits as its factorization.

10113557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235242.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 10113557 is about 3180.1819130358. The cubic root of 10113557 is about 216.2559052593.

Adding to 10113557 its reverse (75531101), we get a palindrome (85644658).

The spelling of 10113557 in words is "ten million, one hundred thirteen thousand, five hundred fifty-seven".