61105605115 has 8 divisors (see below), whose sum is σ = 73336518288. Its totient is φ = 48877956000.

The previous prime is 61105605107. The next prime is 61105605161. The reversal of 61105605115 is 51150650116.

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

It is not a de Polignac number, because 61105605115 - 2³ = 61105605107 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, 774636 + ... + 849865.

It is an arithmetic number, because the mean of its divisors is an integer number (9167064786).

Almost surely, 2^61105605115 is an apocalyptic number.

61105605115 is a deficient number, since it is larger than the sum of its proper divisors (12230913173).

61105605115 is a wasteful number, since it uses less digits than its factorization.

61105605115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632029.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 61105605115 in words is "sixty-one billion, one hundred five million, six hundred five thousand, one hundred fifteen".