61116061116 has 96 divisors (see below), whose sum is σ = 157463663616. Its totient is φ = 18295200000.

The previous prime is 61116061109. The next prime is 61116061147.

61116061116 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6167766 + ... + 6177666.

It is an arithmetic number, because the mean of its divisors is an integer number (1640246496).

Almost surely, 2^61116061116 is an apocalyptic number.

61116061116 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61116061116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78731831808).

61116061116 is an abundant number, since it is smaller than the sum of its proper divisors (96347602500).

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

61116061116 is a wasteful number, since it uses less digits than its factorization.

61116061116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10483 (or 10481 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

It can be divided in two parts, 611160 and 61116, that added together give a palindrome (672276).

The spelling of 61116061116 in words is "sixty-one billion, one hundred sixteen million, sixty-one thousand, one hundred sixteen".