61365310061 has 8 divisors (see below), whose sum is σ = 69103458048. Its totient is φ = 53987076000.

The previous prime is 61365310043. The next prime is 61365310087. The reversal of 61365310061 is 16001356316.

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

It is not a de Polignac number, because 61365310061 - 2⁶ = 61365309997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61365310031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89978120 + ... + 89978801.

It is an arithmetic number, because the mean of its divisors is an integer number (8637932256).

Almost surely, 2^61365310061 is an apocalyptic number.

It is an amenable number.

61365310061 is a deficient number, since it is larger than the sum of its proper divisors (7738147987).

61365310061 is a wasteful number, since it uses less digits than its factorization.

61365310061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179956963.

The product of its (nonzero) digits is 9720, while the sum is 32.

Adding to 61365310061 its reverse (16001356316), we get a palindrome (77366666377).

The spelling of 61365310061 in words is "sixty-one billion, three hundred sixty-five million, three hundred ten thousand, sixty-one".