61045522705 has 8 divisors (see below), whose sum is σ = 73266021504. Its totient is φ = 48828822000.

The previous prime is 61045522687. The next prime is 61045522721. The reversal of 61045522705 is 50722554016.

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

It is not a de Polignac number, because 61045522705 - 2¹⁷ = 61045391633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914041 + ... + 978550.

It is an arithmetic number, because the mean of its divisors is an integer number (9158252688).

Almost surely, 2^61045522705 is an apocalyptic number.

It is an amenable number.

61045522705 is a deficient number, since it is larger than the sum of its proper divisors (12220498799).

61045522705 is a wasteful number, since it uses less digits than its factorization.

61045522705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899047.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 61045522705 in words is "sixty-one billion, forty-five million, five hundred twenty-two thousand, seven hundred five".