61005611060 has 12 divisors (see below), whose sum is σ = 128111783268. Its totient is φ = 24402244416.

The previous prime is 61005611021. The next prime is 61005611071. The reversal of 61005611060 is 6011650016.

It can be written as a sum of positive squares in 2 ways, for example, as 24016320784 + 36989290276 = 154972^2 + 192326^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525140257 + ... + 1525140296.

It is an arithmetic number, because the mean of its divisors is an integer number (10675981939).

Almost surely, 2^61005611060 is an apocalyptic number.

It is an amenable number.

61005611060 is an abundant number, since it is smaller than the sum of its proper divisors (67106172208).

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

61005611060 is a wasteful number, since it uses less digits than its factorization.

61005611060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050280562 (or 3050280560 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 61005611060 in words is "sixty-one billion, five million, six hundred eleven thousand, sixty".