61310566126361 has 8 divisors (see below), whose sum is σ = 61655106024864. Its totient is φ = 60966771180480.

The previous prime is 61310566126351. The next prime is 61310566126421. The reversal of 61310566126361 is 16362166501316.

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 61310566126361 - 2¹⁴ = 61310566109977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61310566126351) 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, 186073091 + ... + 186402296.

It is an arithmetic number, because the mean of its divisors is an integer number (7706888253108).

Almost surely, 2^{61310566126361} is an apocalyptic number.

It is an amenable number.

61310566126361 is a deficient number, since it is larger than the sum of its proper divisors (344539898503).

61310566126361 is a wasteful number, since it uses less digits than its factorization.

61310566126361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372476311.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 61310566126361 in words is "sixty-one trillion, three hundred ten billion, five hundred sixty-six million, one hundred twenty-six thousand, three hundred sixty-one".