105011110501061 has 4 divisors (see below), whose sum is σ = 105097681904172. Its totient is φ = 104924539097952.

The previous prime is 105011110500991. The next prime is 105011110501081. The reversal of 105011110501061 is 160105011110501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4882469156161 + 100128641344900 = 2209631^2 + 10006430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105011110501061 is a prime.

It is a super-2 number, since 2×105011110501061² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105011110501081) 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, 43285699736 + ... + 43285702161.

It is an arithmetic number, because the mean of its divisors is an integer number (26274420476043).

Almost surely, 2^{105011110501061} is an apocalyptic number.

It is an amenable number.

105011110501061 is a deficient number, since it is larger than the sum of its proper divisors (86571403111).

105011110501061 is an equidigital number, since it uses as much as digits as its factorization.

105011110501061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86571403110.

The product of its (nonzero) digits is 150, while the sum is 23.

Adding to 105011110501061 its reverse (160105011110501), we get a palindrome (265116121611562).

The spelling of 105011110501061 in words is "one hundred five trillion, eleven billion, one hundred ten million, five hundred one thousand, sixty-one".