61051105510011 has 12 divisors (see below), whose sum is σ = 88188324727360. Its totient is φ = 40699170293040.

The previous prime is 61051105510007. The next prime is 61051105510037. The reversal of 61051105510011 is 11001550115016.

61051105510011 is a `hidden beast` number, since 6 + 105 + 1 + 1 + 0 + 551 + 0 + 0 + 1 + 1 = 666.

61051105510011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61051105510011 - 2² = 61051105510007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61051105510111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130312651 + ... + 130780308.

Almost surely, 2^{61051105510011} is an apocalyptic number.

61051105510011 is a deficient number, since it is larger than the sum of its proper divisors (27137219217349).

61051105510011 is a wasteful number, since it uses less digits than its factorization.

61051105510011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261118946 (or 261118943 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

Adding to 61051105510011 its reverse (11001550115016), we get a palindrome (72052655625027).

The spelling of 61051105510011 in words is "sixty-one trillion, fifty-one billion, one hundred five million, five hundred ten thousand, eleven".