61005601100505 has 8 divisors (see below), whose sum is σ = 97608961760832. Its totient is φ = 32536320586928.

The previous prime is 61005601100497. The next prime is 61005601100533. The reversal of 61005601100505 is 50500110650016.

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 61005601100505 - 2³ = 61005601100497 is a prime.

It is a super-2 number, since 2×61005601100505² (a number of 28 digits) contains 22 as substring.

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, 2033520036669 + ... + 2033520036698.

It is an arithmetic number, because the mean of its divisors is an integer number (12201120220104).

Almost surely, 2^{61005601100505} is an apocalyptic number.

It is an amenable number.

61005601100505 is a deficient number, since it is larger than the sum of its proper divisors (36603360660327).

61005601100505 is a wasteful number, since it uses less digits than its factorization.

61005601100505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067040073375.

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

The spelling of 61005601100505 in words is "sixty-one trillion, five billion, six hundred one million, one hundred thousand, five hundred five".