61061051505 has 8 divisors (see below), whose sum is σ = 97697682432. Its totient is φ = 32565894128.

The previous prime is 61061051461. The next prime is 61061051533. The reversal of 61061051505 is 50515016016.

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 61061051505 - 2¹¹ = 61061049457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035368369 + ... + 2035368398.

It is an arithmetic number, because the mean of its divisors is an integer number (12212210304).

Almost surely, 2^61061051505 is an apocalyptic number.

It is an amenable number.

61061051505 is a deficient number, since it is larger than the sum of its proper divisors (36636630927).

61061051505 is a wasteful number, since it uses less digits than its factorization.

61061051505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070736775.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 61061051505 in words is "sixty-one billion, sixty-one million, fifty-one thousand, five hundred five".