10111109247 has 12 divisors (see below), whose sum is σ = 14852477640. Its totient is φ = 6626489328.

The previous prime is 10111109243. The next prime is 10111109269. The reversal of 10111109247 is 74290111101.

It is not a de Polignac number, because 10111109247 - 2² = 10111109243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10111109247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111109243) 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, 9520288 + ... + 9521349.

It is an arithmetic number, because the mean of its divisors is an integer number (1237706470).

Almost surely, 2^10111109247 is an apocalyptic number.

10111109247 is a deficient number, since it is larger than the sum of its proper divisors (4741368393).

10111109247 is a wasteful number, since it uses less digits than its factorization.

10111109247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19041702 (or 19041699 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The spelling of 10111109247 in words is "ten billion, one hundred eleven million, one hundred nine thousand, two hundred forty-seven".