10815955 has 8 divisors (see below), whose sum is σ = 13082112. Its totient is φ = 8584128.

The previous prime is 10815953. The next prime is 10815967. The reversal of 10815955 is 55951801.

10815955 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10815955 - 2¹ = 10815953 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 10815955.

It is not an unprimeable number, because it can be changed into a prime (10815953) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7882 + ... + 9151.

It is an arithmetic number, because the mean of its divisors is an integer number (1635264).

Almost surely, 2^10815955 is an apocalyptic number.

10815955 is a deficient number, since it is larger than the sum of its proper divisors (2266157).

10815955 is a wasteful number, since it uses less digits than its factorization.

10815955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17165.

The product of its (nonzero) digits is 9000, while the sum is 34.

The square root of 10815955 is about 3288.7619251019. The cubic root of 10815955 is about 221.1506858469.

It can be divided in two parts, 1081595 and 5, that added together give a square (1081600 = 1040²).

The spelling of 10815955 in words is "ten million, eight hundred fifteen thousand, nine hundred fifty-five".