10811929873 has 4 divisors (see below), whose sum is σ = 10812165120. Its totient is φ = 10811694628.

The previous prime is 10811929871. The next prime is 10811929883. The reversal of 10811929873 is 37892911801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10811929873 - 2¹ = 10811929871 is a prime.

It is a super-2 number, since 2×10811929873² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10811929871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23665 + ... + 148942.

It is an arithmetic number, because the mean of its divisors is an integer number (2703041280).

Almost surely, 2^10811929873 is an apocalyptic number.

It is an amenable number.

10811929873 is a deficient number, since it is larger than the sum of its proper divisors (235247).

10811929873 is an equidigital number, since it uses as much as digits as its factorization.

10811929873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235246.

The product of its (nonzero) digits is 217728, while the sum is 49.

The spelling of 10811929873 in words is "ten billion, eight hundred eleven million, nine hundred twenty-nine thousand, eight hundred seventy-three".