60780311285 has 4 divisors (see below), whose sum is σ = 72936373548. Its totient is φ = 48624249024.

The previous prime is 60780311243. The next prime is 60780311321. The reversal of 60780311285 is 58211308706.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21166176196 + 39614135089 = 145486^2 + 199033^2 .

It is a cyclic number.

It is not a de Polignac number, because 60780311285 - 2³² = 56485343989 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 6078031124 + ... + 6078031133.

It is an arithmetic number, because the mean of its divisors is an integer number (18234093387).

Almost surely, 2^60780311285 is an apocalyptic number.

It is an amenable number.

60780311285 is a deficient number, since it is larger than the sum of its proper divisors (12156062263).

60780311285 is a wasteful number, since it uses less digits than its factorization.

60780311285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12156062262.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 60780311285 in words is "sixty billion, seven hundred eighty million, three hundred eleven thousand, two hundred eighty-five".