660056511107 has 6 divisors (see below), whose sum is σ = 767820839508. Its totient is φ = 565762723764.

The previous prime is 660056511073. The next prime is 660056511131. The reversal of 660056511107 is 701115650066.

660056511107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 660056511107 - 2²⁴ = 660039733891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660056511157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6735270473 + ... + 6735270570.

It is an arithmetic number, because the mean of its divisors is an integer number (127970139918).

Almost surely, 2^660056511107 is an apocalyptic number.

660056511107 is a deficient number, since it is larger than the sum of its proper divisors (107764328401).

660056511107 is a wasteful number, since it uses less digits than its factorization.

660056511107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13470541057 (or 13470541050 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 660056511107 in words is "six hundred sixty billion, fifty-six million, five hundred eleven thousand, one hundred seven".