61116114144647 has 4 divisors (see below), whose sum is σ = 61180244380800. Its totient is φ = 61051983908496.

The previous prime is 61116114144577. The next prime is 61116114144667. The reversal of 61116114144647 is 74644141161116.

61116114144647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61116114144647 - 2²⁶ = 61116047035783 is a prime.

It is a super-2 number, since 2×61116114144647² (a number of 28 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 61116114144647 parts by 11055868 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61116114144667) 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 3 ways as a sum of consecutive naturals, for example, 32065116647 + ... + 32065118552.

It is an arithmetic number, because the mean of its divisors is an integer number (15295061095200).

Almost surely, 2^{61116114144647} is an apocalyptic number.

61116114144647 is a deficient number, since it is larger than the sum of its proper divisors (64130236153).

61116114144647 is an equidigital number, since it uses as much as digits as its factorization.

61116114144647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64130236152.

The product of its digits is 387072, while the sum is 47.

The spelling of 61116114144647 in words is "sixty-one trillion, one hundred sixteen billion, one hundred fourteen million, one hundred forty-four thousand, six hundred forty-seven".