61056327261 has 8 divisors (see below), whose sum is σ = 82323138240. Its totient is φ = 40246867232.

The previous prime is 61056327257. The next prime is 61056327263. The reversal of 61056327261 is 16272365016.

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 61056327261 - 2² = 61056327257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61056327263) 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, 114337425 + ... + 114337958.

It is an arithmetic number, because the mean of its divisors is an integer number (10290392280).

Almost surely, 2^61056327261 is an apocalyptic number.

It is an amenable number.

61056327261 is a deficient number, since it is larger than the sum of its proper divisors (21266810979).

61056327261 is a wasteful number, since it uses less digits than its factorization.

61056327261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228675475.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 61056327261 in words is "sixty-one billion, fifty-six million, three hundred twenty-seven thousand, two hundred sixty-one".