61061111052 has 24 divisors (see below), whose sum is σ = 142480455936. Its totient is φ = 20353056528.

The previous prime is 61061111051. The next prime is 61061111093. The reversal of 61061111052 is 25011116016.

61061111052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61061111051) 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, 453393 + ... + 572439.

It is an arithmetic number, because the mean of its divisors is an integer number (5936685664).

Almost surely, 2^61061111052 is an apocalyptic number.

It is an amenable number.

61061111052 is an abundant number, since it is smaller than the sum of its proper divisors (81419344884).

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

61061111052 is a wasteful number, since it uses less digits than its factorization.

61061111052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161797 (or 161795 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 24.

Adding to 61061111052 its reverse (25011116016), we get a palindrome (86072227068).

The spelling of 61061111052 in words is "sixty-one billion, sixty-one million, one hundred eleven thousand, fifty-two".