61314430561 has 8 divisors (see below), whose sum is σ = 66186492480. Its totient is φ = 56626220112.

The previous prime is 61314430549. The next prime is 61314430603. The reversal of 61314430561 is 16503441316.

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

It is a cyclic number.

It is not a de Polignac number, because 61314430561 - 2³³ = 52724495969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61314430501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45962175 + ... + 45963508.

It is an arithmetic number, because the mean of its divisors is an integer number (8273311560).

Almost surely, 2^61314430561 is an apocalyptic number.

It is an amenable number.

61314430561 is a deficient number, since it is larger than the sum of its proper divisors (4872061919).

61314430561 is a wasteful number, since it uses less digits than its factorization.

61314430561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91925735.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 61314430561 its reverse (16503441316), we get a palindrome (77817871877).

The spelling of 61314430561 in words is "sixty-one billion, three hundred fourteen million, four hundred thirty thousand, five hundred sixty-one".