10205045015601 has 4 divisors (see below), whose sum is σ = 13606726687472. Its totient is φ = 6803363343732.

The previous prime is 10205045015587. The next prime is 10205045015611. The reversal of 10205045015601 is 10651054050201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10205045015601 - 2²⁹ = 10204508144689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10205045015611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700840835931 + ... + 1700840835936.

It is an arithmetic number, because the mean of its divisors is an integer number (3401681671868).

Almost surely, 2^{10205045015601} is an apocalyptic number.

It is an amenable number.

10205045015601 is a deficient number, since it is larger than the sum of its proper divisors (3401681671871).

10205045015601 is an equidigital number, since it uses as much as digits as its factorization.

10205045015601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401681671870.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 10205045015601 its reverse (10651054050201), we get a palindrome (20856099065802).

The spelling of 10205045015601 in words is "ten trillion, two hundred five billion, forty-five million, fifteen thousand, six hundred one".