10111517081 has 16 divisors (see below), whose sum is σ = 10296115200. Its totient is φ = 9928660368.

The previous prime is 10111517069. The next prime is 10111517093. The reversal of 10111517081 is 18071511101.

It is an interprime number because it is at equal distance from previous prime (10111517069) and next prime (10111517093).

It is a cyclic number.

It is not a de Polignac number, because 10111517081 - 2¹⁰ = 10111516057 is a prime.

It is a super-2 number, since 2×10111517081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10111517081.

It is not an unprimeable number, because it can be changed into a prime (10111517051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16657880 + ... + 16658486.

It is an arithmetic number, because the mean of its divisors is an integer number (643507200).

Almost surely, 2^10111517081 is an apocalyptic number.

It is an amenable number.

10111517081 is a deficient number, since it is larger than the sum of its proper divisors (184598119).

10111517081 is an equidigital number, since it uses as much as digits as its factorization.

10111517081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588.

The product of its (nonzero) digits is 280, while the sum is 26.

The spelling of 10111517081 in words is "ten billion, one hundred eleven million, five hundred seventeen thousand, eighty-one".