61615560101130 has 288 divisors, whose sum is σ = 186521456145024. Its totient is φ = 13821095287296.

The previous prime is 61615560101129. The next prime is 61615560101167. The reversal of 61615560101130 is 3110106551616.

61615560101130 is a `hidden beast` number, since 6 + 1 + 6 + 1 + 5 + 5 + 601 + 0 + 11 + 30 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3054347724 + ... + 3054367896.

It is an arithmetic number, because the mean of its divisors is an integer number (647643944948).

Almost surely, 2^{61615560101130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61615560101130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93260728072512).

61615560101130 is an abundant number, since it is smaller than the sum of its proper divisors (124905896043894).

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

61615560101130 is a wasteful number, since it uses less digits than its factorization.

61615560101130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20798 (or 20526 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

Adding to 61615560101130 its reverse (3110106551616), we get a palindrome (64725666652746).

The spelling of 61615560101130 in words is "sixty-one trillion, six hundred fifteen billion, five hundred sixty million, one hundred one thousand, one hundred thirty".