10999776731 has 6 divisors (see below), whose sum is σ = 11305104300. Its totient is φ = 10702484136.

The previous prime is 10999776701. The next prime is 10999776737. The reversal of 10999776731 is 13767799901.

It is not a de Polignac number, because 10999776731 - 2¹⁸ = 10999514587 is a prime.

It is a super-2 number, since 2×10999776731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10999776737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4016081 + ... + 4018818.

It is an arithmetic number, because the mean of its divisors is an integer number (1884184050).

Almost surely, 2^10999776731 is an apocalyptic number.

10999776731 is a deficient number, since it is larger than the sum of its proper divisors (305327569).

10999776731 is an frugal number, since it uses more digits than its factorization.

10999776731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034973 (or 8034936 counting only the distinct ones).

The product of its (nonzero) digits is 4500846, while the sum is 59.

The spelling of 10999776731 in words is "ten billion, nine hundred ninety-nine million, seven hundred seventy-six thousand, seven hundred thirty-one".