61304434165111 has 4 divisors (see below), whose sum is σ = 64910577351312. Its totient is φ = 57698290978912.

The previous prime is 61304434165087. The next prime is 61304434165127. The reversal of 61304434165111 is 11156143440316.

61304434165111 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 61304434165111 - 2⁹ = 61304434164599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61304434165141) 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, 1803071593075 + ... + 1803071593108.

It is an arithmetic number, because the mean of its divisors is an integer number (16227644337828).

Almost surely, 2^{61304434165111} is an apocalyptic number.

61304434165111 is a deficient number, since it is larger than the sum of its proper divisors (3606143186201).

61304434165111 is a wasteful number, since it uses less digits than its factorization.

61304434165111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606143186200.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 61304434165111 in words is "sixty-one trillion, three hundred four billion, four hundred thirty-four million, one hundred sixty-five thousand, one hundred eleven".