61061005506055 has 8 divisors (see below), whose sum is σ = 73400196570192. Its totient is φ = 48764144429568.

The previous prime is 61061005506031. The next prime is 61061005506071. The reversal of 61061005506055 is 55060550016016.

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 61061005506055 - 2¹¹ = 61061005504007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61061005505999 and 61061005506017.

It is a congruent 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, 10582493737 + ... + 10582499506.

It is an arithmetic number, because the mean of its divisors is an integer number (9175024571274).

Almost surely, 2^{61061005506055} is an apocalyptic number.

61061005506055 is a deficient number, since it is larger than the sum of its proper divisors (12339191064137).

61061005506055 is a wasteful number, since it uses less digits than its factorization.

61061005506055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21164993825.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 61061005506055 in words is "sixty-one trillion, sixty-one billion, five million, five hundred six thousand, fifty-five".