260511732813 has 16 divisors (see below), whose sum is σ = 355474380800. Its totient is φ = 169612866864.

The previous prime is 260511732781. The next prime is 260511732821. The reversal of 260511732813 is 318237115062.

It is a happy number.

It is not a de Polignac number, because 260511732813 - 2⁵ = 260511732781 is a prime.

It is the 510404-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260511732883) by changing a digit.

It is a nontrivial repunit in base 510403.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862020 + ... + 1124322.

It is an arithmetic number, because the mean of its divisors is an integer number (22217148800).

Almost surely, 2^260511732813 is an apocalyptic number.

It is an amenable number.

260511732813 is a deficient number, since it is larger than the sum of its proper divisors (94962647987).

260511732813 is a wasteful number, since it uses less digits than its factorization.

260511732813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270048.

The product of its (nonzero) digits is 60480, while the sum is 39.

Adding to 260511732813 its reverse (318237115062), we get a palindrome (578748847875).

The spelling of 260511732813 in words is "two hundred sixty billion, five hundred eleven million, seven hundred thirty-two thousand, eight hundred thirteen".