260206536131603 has 4 divisors (see below), whose sum is σ = 264616816405080. Its totient is φ = 255796255858128.

The previous prime is 260206536131599. The next prime is 260206536131657. The reversal of 260206536131603 is 306131635602062.

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

It is a cyclic number.

It is not a de Polignac number, because 260206536131603 - 2² = 260206536131599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260206536131903) 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, 2205140136650 + ... + 2205140136767.

It is an arithmetic number, because the mean of its divisors is an integer number (66154204101270).

Almost surely, 2^{260206536131603} is an apocalyptic number.

260206536131603 is a deficient number, since it is larger than the sum of its proper divisors (4410280273477).

260206536131603 is an equidigital number, since it uses as much as digits as its factorization.

260206536131603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410280273476.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 260206536131603 in words is "two hundred sixty trillion, two hundred six billion, five hundred thirty-six million, one hundred thirty-one thousand, six hundred three".