61010061101 has 6 divisors (see below), whose sum is σ = 67060645806. Its totient is φ = 55463691800.

The previous prime is 61010061089. The next prime is 61010061107. The reversal of 61010061101 is 10116001016.

It can be written as a sum of positive squares in only one way, i.e., 46289092201 + 14720968900 = 215149^2 + 121330^2 .

It is not a de Polignac number, because 61010061101 - 2³⁴ = 43830191917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61010061101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61010061107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252107570 + ... + 252107811.

It is an arithmetic number, because the mean of its divisors is an integer number (11176774301).

Almost surely, 2^61010061101 is an apocalyptic number.

It is an amenable number.

61010061101 is a deficient number, since it is larger than the sum of its proper divisors (6050584705).

61010061101 is a wasteful number, since it uses less digits than its factorization.

61010061101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504215403 (or 504215392 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 61010061101 its reverse (10116001016), we get a palindrome (71126062117).

The spelling of 61010061101 in words is "sixty-one billion, ten million, sixty-one thousand, one hundred one".