10115155 has 4 divisors (see below), whose sum is σ = 12138192. Its totient is φ = 8092120.

The previous prime is 10115143. The next prime is 10115173. The reversal of 10115155 is 55151101.

It is a happy number.

10115155 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55151101 = 193 ⋅285757.

It is not a de Polignac number, because 10115155 - 2¹¹ = 10113107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011511 + ... + 1011520.

It is an arithmetic number, because the mean of its divisors is an integer number (3034548).

Almost surely, 2^10115155 is an apocalyptic number.

10115155 is a deficient number, since it is larger than the sum of its proper divisors (2023037).

10115155 is an equidigital number, since it uses as much as digits as its factorization.

10115155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023036.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 10115155 is about 3180.4331466013. The cubic root of 10115155 is about 216.2672945505.

Adding to 10115155 its reverse (55151101), we get a palindrome (65266256).

The spelling of 10115155 in words is "ten million, one hundred fifteen thousand, one hundred fifty-five".