60561566055 has 80 divisors (see below), whose sum is σ = 117962803200. Its totient is φ = 29612329920.

The previous prime is 60561566011. The next prime is 60561566077. The reversal of 60561566055 is 55066516506.

It is not a de Polignac number, because 60561566055 - 2¹⁹ = 60561041767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 60561566055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 111606 + ... + 365484.

It is an arithmetic number, because the mean of its divisors is an integer number (1474535040).

Almost surely, 2^60561566055 is an apocalyptic number.

60561566055 is a deficient number, since it is larger than the sum of its proper divisors (57401237145).

60561566055 is a wasteful number, since it uses less digits than its factorization.

60561566055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253946 (or 253937 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 60561566055 in words is "sixty billion, five hundred sixty-one million, five hundred sixty-six thousand, fifty-five".