10811007812 has 36 divisors (see below), whose sum is σ = 22018838940. Its totient is φ = 4625026560.

The previous prime is 10811007769. The next prime is 10811007871. The reversal of 10811007812 is 21870011801.

It can be written as a sum of positive squares in 2 ways, for example, as 6123688516 + 4687319296 = 78254^2 + 68464^2 .

It is a super-2 number, since 2×10811007812² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 648737 + ... + 665192.

It is an arithmetic number, because the mean of its divisors is an integer number (611634415).

Almost surely, 2^10811007812 is an apocalyptic number.

It is an amenable number.

10811007812 is an abundant number, since it is smaller than the sum of its proper divisors (11207831128).

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

10811007812 is a wasteful number, since it uses less digits than its factorization.

10811007812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313972 (or 1313959 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 29.

The spelling of 10811007812 in words is "ten billion, eight hundred eleven million, seven thousand, eight hundred twelve".