10115555 has 8 divisors (see below), whose sum is σ = 12292800. Its totient is φ = 7989696.

The previous prime is 10115533. The next prime is 10115557. The reversal of 10115555 is 55551101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10115555 - 2¹⁴ = 10099171 is a prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 10115555.

It is not an unprimeable number, because it can be changed into a prime (10115557) 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, 12410 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (1536600).

Almost surely, 2^10115555 is an apocalyptic number.

10115555 is a deficient number, since it is larger than the sum of its proper divisors (2177245).

10115555 is an equidigital number, since it uses as much as digits as its factorization.

10115555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25693.

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 10115555 is about 3180.4960304959. The cubic root of 10115555 is about 216.2701452492.

Adding to 10115555 its reverse (55551101), we get a palindrome (65666656).

The spelling of 10115555 in words is "ten million, one hundred fifteen thousand, five hundred fifty-five".