61160555105 has 8 divisors (see below), whose sum is σ = 79038255912. Its totient is φ = 45164717568.

The previous prime is 61160555089. The next prime is 61160555107. The reversal of 61160555105 is 50155506116.

It can be written as a sum of positive squares in 4 ways, for example, as 1031630161 + 60128924944 = 32119^2 + 245212^2 .

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 61160555105 - 2⁴ = 61160555089 is a prime.

It is a super-3 number, since 3×61160555105³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61160555107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470465744 + ... + 470465873.

It is an arithmetic number, because the mean of its divisors is an integer number (9879781989).

Almost surely, 2^61160555105 is an apocalyptic number.

61160555105 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61160555105 is a deficient number, since it is larger than the sum of its proper divisors (17877700807).

61160555105 is a wasteful number, since it uses less digits than its factorization.

61160555105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940931635.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 61160555105 in words is "sixty-one billion, one hundred sixty million, five hundred fifty-five thousand, one hundred five".