105010661611 has 4 divisors (see below), whose sum is σ = 105030990112. Its totient is φ = 104990333112.

The previous prime is 105010661557. The next prime is 105010661627. The reversal of 105010661611 is 116166010501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116166010501 = 7643 ⋅15199007.

It is a cyclic number.

It is not a de Polignac number, because 105010661611 - 2⁹ = 105010661099 is a prime.

It is a super-2 number, since 2×105010661611² (a number of 23 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 105010661611.

It is not an unprimeable number, because it can be changed into a prime (105010661641) 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, 10156500 + ... + 10166833.

It is an arithmetic number, because the mean of its divisors is an integer number (26257747528).

Almost surely, 2^105010661611 is an apocalyptic number.

105010661611 is a deficient number, since it is larger than the sum of its proper divisors (20328501).

105010661611 is an equidigital number, since it uses as much as digits as its factorization.

105010661611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20328500.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 105010661611 in words is "one hundred five billion, ten million, six hundred sixty-one thousand, six hundred eleven".