10145205440665 has 16 divisors (see below), whose sum is σ = 12180794669568. Its totient is φ = 8111799438336.

The previous prime is 10145205440651. The next prime is 10145205440677. The reversal of 10145205440665 is 56604450254101.

10145205440665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10145205440665 - 2³⁵ = 10110845702297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316754382 + ... + 316786408.

It is an arithmetic number, because the mean of its divisors is an integer number (761299666848).

Almost surely, 2^{10145205440665} is an apocalyptic number.

It is an amenable number.

10145205440665 is a deficient number, since it is larger than the sum of its proper divisors (2035589228903).

10145205440665 is a wasteful number, since it uses less digits than its factorization.

10145205440665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64128.

The product of its (nonzero) digits is 576000, while the sum is 43.

Adding to 10145205440665 its reverse (56604450254101), we get a palindrome (66749655694766).

The spelling of 10145205440665 in words is "ten trillion, one hundred forty-five billion, two hundred five million, four hundred forty thousand, six hundred sixty-five".