665250335061103 has 32 divisors (see below), whose sum is σ = 745305739504704. Its totient is φ = 588670396800000.

The previous prime is 665250335060929. The next prime is 665250335061113. The reversal of 665250335061103 is 301160533052566.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-665250335061103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665250335061113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131224563 + ... + 136199803.

It is an arithmetic number, because the mean of its divisors is an integer number (23290804359522).

Almost surely, 2^{665250335061103} is an apocalyptic number.

665250335061103 is a deficient number, since it is larger than the sum of its proper divisors (80055404443601).

665250335061103 is a wasteful number, since it uses less digits than its factorization.

665250335061103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977387.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 665250335061103 in words is "six hundred sixty-five trillion, two hundred fifty billion, three hundred thirty-five million, sixty-one thousand, one hundred three".