1310987699618 has 8 divisors (see below), whose sum is σ = 1999811745360. Its totient is φ = 644383784500.

The previous prime is 1310987699611. The next prime is 1310987699621. The reversal of 1310987699618 is 8169967890131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1310987699611) 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, 5555032508 + ... + 5555032743.

It is an arithmetic number, because the mean of its divisors is an integer number (249976468170).

Almost surely, 2^{1310987699618} is an apocalyptic number.

1310987699618 is a deficient number, since it is larger than the sum of its proper divisors (688824045742).

1310987699618 is a wasteful number, since it uses less digits than its factorization.

1310987699618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110065312.

The product of its (nonzero) digits is 35271936, while the sum is 68.

The spelling of 1310987699618 in words is "one trillion, three hundred ten billion, nine hundred eighty-seven million, six hundred ninety-nine thousand, six hundred eighteen".