1018257539713 has 4 divisors (see below), whose sum is σ = 1018270526400. Its totient is φ = 1018244553028.

The previous prime is 1018257539699. The next prime is 1018257539779. The reversal of 1018257539713 is 3179357528101.

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 a cyclic number.

It is not a de Polignac number, because 1018257539713 - 2²⁵ = 1018223985281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1018257539513) 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, 6375013 + ... + 6532786.

It is an arithmetic number, because the mean of its divisors is an integer number (254567631600).

Almost surely, 2^{1018257539713} is an apocalyptic number.

It is an amenable number.

1018257539713 is a deficient number, since it is larger than the sum of its proper divisors (12986687).

1018257539713 is an equidigital number, since it uses as much as digits as its factorization.

1018257539713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12986686.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 1018257539713 in words is "one trillion, eighteen billion, two hundred fifty-seven million, five hundred thirty-nine thousand, seven hundred thirteen".