61105005060 has 96 divisors (see below), whose sum is σ = 193084214400. Its totient is φ = 14302525440.

The previous prime is 61105005029. The next prime is 61105005103. The reversal of 61105005060 is 6050050116.

It is a self number, because there is not a number n which added to its sum of digits gives 61105005060.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1577125 + ... + 1615404.

It is an arithmetic number, because the mean of its divisors is an integer number (2011293900).

Almost surely, 2^61105005060 is an apocalyptic number.

61105005060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61105005060 is an abundant number, since it is smaller than the sum of its proper divisors (131979209340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61105005060 is a wasteful number, since it uses less digits than its factorization.

61105005060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192581 (or 3192579 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 61105005060 its reverse (6050050116), we get a palindrome (67155055176).

The spelling of 61105005060 in words is "sixty-one billion, one hundred five million, five thousand, sixty".