10931681019 has 12 divisors (see below), whose sum is σ = 16955260584. Its totient is φ = 6246674784.

The previous prime is 10931680997. The next prime is 10931681023. The reversal of 10931681019 is 91018613901.

It is not a de Polignac number, because 10931681019 - 2⁵ = 10931680987 is a prime.

It is a super-2 number, since 2×10931681019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10931681119) 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 11 ways as a sum of consecutive naturals, for example, 37182442 + ... + 37182735.

It is an arithmetic number, because the mean of its divisors is an integer number (1412938382).

Almost surely, 2^10931681019 is an apocalyptic number.

10931681019 is a deficient number, since it is larger than the sum of its proper divisors (6023579565).

10931681019 is an equidigital number, since it uses as much as digits as its factorization.

10931681019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74365194 (or 74365187 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 39.

The spelling of 10931681019 in words is "ten billion, nine hundred thirty-one million, six hundred eighty-one thousand, nineteen".