61011061101011 has 6 divisors (see below), whose sum is σ = 70972050668580. Its totient is φ = 52295195229396.

The previous prime is 61011061100999. The next prime is 61011061101073. The reversal of 61011061101011 is 11010116011016.

It is a de Polignac number, because none of the positive numbers 2^k-61011061101011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61011061101811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622561847921 + ... + 622561848018.

It is an arithmetic number, because the mean of its divisors is an integer number (11828675111430).

Almost surely, 2^{61011061101011} is an apocalyptic number.

61011061101011 is a deficient number, since it is larger than the sum of its proper divisors (9960989567569).

61011061101011 is a wasteful number, since it uses less digits than its factorization.

61011061101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245123695953 (or 1245123695946 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 20.

Adding to 61011061101011 its reverse (11010116011016), we get a palindrome (72021177112027).

The spelling of 61011061101011 in words is "sixty-one trillion, eleven billion, sixty-one million, one hundred one thousand, eleven".