10115538 has 24 divisors (see below), whose sum is σ = 21155568. Its totient is φ = 3224232.

The previous prime is 10115533. The next prime is 10115557. The reversal of 10115538 is 83551101.

10115538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10115531) 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, 1581 + ... + 4767.

It is an arithmetic number, because the mean of its divisors is an integer number (881482).

Almost surely, 2^10115538 is an apocalyptic number.

10115538 is an abundant number, since it is smaller than the sum of its proper divisors (11040030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10115538 is a wasteful number, since it uses less digits than its factorization.

10115538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238 (or 3215 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 10115538 is about 3180.4933579556. The cubic root of 10115538 is about 216.2700240961.

Adding to 10115538 its reverse (83551101), we get a palindrome (93666639).

The spelling of 10115538 in words is "ten million, one hundred fifteen thousand, five hundred thirty-eight".