10851799915 has 16 divisors (see below), whose sum is σ = 14208408576. Its totient is φ = 7890876000.

The previous prime is 10851799883. The next prime is 10851799919. The reversal of 10851799915 is 51999715801.

It is a happy number.

10851799915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10851799915 - 2⁵ = 10851799883 is a prime.

It is a super-2 number, since 2×10851799915² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10851799919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405190 + ... + 431140.

It is an arithmetic number, because the mean of its divisors is an integer number (888025536).

Almost surely, 2^10851799915 is an apocalyptic number.

10851799915 is a deficient number, since it is larger than the sum of its proper divisors (3356608661).

10851799915 is a wasteful number, since it uses less digits than its factorization.

10851799915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33570.

The product of its (nonzero) digits is 1020600, while the sum is 55.

The spelling of 10851799915 in words is "ten billion, eight hundred fifty-one million, seven hundred ninety-nine thousand, nine hundred fifteen".