1105171215061 has 2 divisors, whose sum is σ = 1105171215062. Its totient is φ = 1105171215060.

The previous prime is 1105171215053. The next prime is 1105171215119. The reversal of 1105171215061 is 1605121715011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 863726738161 + 241444476900 = 929369^2 + 491370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105171215061 - 2³ = 1105171215053 is a prime.

It is a super-2 number, since 2×1105171215061² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105171215761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552585607530 + 552585607531.

It is an arithmetic number, because the mean of its divisors is an integer number (552585607531).

Almost surely, 2^{1105171215061} is an apocalyptic number.

It is an amenable number.

1105171215061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105171215061 is an equidigital number, since it uses as much as digits as its factorization.

1105171215061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 31.

The spelling of 1105171215061 in words is "one trillion, one hundred five billion, one hundred seventy-one million, two hundred fifteen thousand, sixty-one".