61711012421013 has 8 divisors (see below), whose sum is σ = 83036224664800. Its totient is φ = 40763237562288.

The previous prime is 61711012420991. The next prime is 61711012421057. The reversal of 61711012421013 is 31012421011716.

61711012421013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61711012421013 - 2⁹ = 61711012420501 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 (61711012421713) 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 7 ways as a sum of consecutive naturals, for example, 94359345883 + ... + 94359346536.

It is an arithmetic number, because the mean of its divisors is an integer number (10379528083100).

Almost surely, 2^{61711012421013} is an apocalyptic number.

It is an amenable number.

61711012421013 is a deficient number, since it is larger than the sum of its proper divisors (21325212243787).

61711012421013 is a wasteful number, since it uses less digits than its factorization.

61711012421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188718692531.

The product of its (nonzero) digits is 2016, while the sum is 30.

Adding to 61711012421013 its reverse (31012421011716), we get a palindrome (92723433432729).

The spelling of 61711012421013 in words is "sixty-one trillion, seven hundred eleven billion, twelve million, four hundred twenty-one thousand, thirteen".