61000505060 has 24 divisors (see below), whose sum is σ = 139746612096. Its totient is φ = 22182001760.

The previous prime is 61000505047. The next prime is 61000505101. The reversal of 61000505060 is 6050500016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138637292 + ... + 138637731.

It is an arithmetic number, because the mean of its divisors is an integer number (5822775504).

Almost surely, 2^61000505060 is an apocalyptic number.

It is an amenable number.

61000505060 is an abundant number, since it is smaller than the sum of its proper divisors (78746107036).

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

61000505060 is a wasteful number, since it uses less digits than its factorization.

61000505060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277275043 (or 277275041 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 61000505060 in words is "sixty-one billion, five hundred five thousand, sixty".