61424736120047 has 4 divisors (see below), whose sum is σ = 61434823946160. Its totient is φ = 61414648293936.

The previous prime is 61424736120029. The next prime is 61424736120091. The reversal of 61424736120047 is 74002163742416.

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 61424736120047 - 2¹⁴ = 61424736103663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61424736119983 and 61424736120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61424736120247) 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 3 ways as a sum of consecutive naturals, for example, 5043903923 + ... + 5043916100.

It is an arithmetic number, because the mean of its divisors is an integer number (15358705986540).

Almost surely, 2^{61424736120047} is an apocalyptic number.

61424736120047 is a deficient number, since it is larger than the sum of its proper divisors (10087826113).

61424736120047 is a wasteful number, since it uses less digits than its factorization.

61424736120047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10087826112.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 61424736120047 in words is "sixty-one trillion, four hundred twenty-four billion, seven hundred thirty-six million, one hundred twenty thousand, forty-seven".