101105489677 has 2 divisors, whose sum is σ = 101105489678. Its totient is φ = 101105489676.

The previous prime is 101105489671. The next prime is 101105489687. The reversal of 101105489677 is 776984501101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50834917156 + 50270572521 = 225466^2 + 224211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101105489677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101105489677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101105489671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50552744838 + 50552744839.

It is an arithmetic number, because the mean of its divisors is an integer number (50552744839).

Almost surely, 2^101105489677 is an apocalyptic number.

It is an amenable number.

101105489677 is a deficient number, since it is larger than the sum of its proper divisors (1).

101105489677 is an equidigital number, since it uses as much as digits as its factorization.

101105489677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 101105489677 in words is "one hundred one billion, one hundred five million, four hundred eighty-nine thousand, six hundred seventy-seven".