1310987698375 has 16 divisors (see below), whose sum is σ = 1644589945440. Its totient is φ = 1043355993600.

The previous prime is 1310987698367. The next prime is 1310987698399. The reversal of 1310987698375 is 5738967890131.

It is a happy number.

It is not a de Polignac number, because 1310987698375 - 2³ = 1310987698367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1310987698375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27146605 + ... + 27194854.

It is an arithmetic number, because the mean of its divisors is an integer number (102786871590).

Almost surely, 2^{1310987698375} is an apocalyptic number.

1310987698375 is a deficient number, since it is larger than the sum of its proper divisors (333602247065).

1310987698375 is an equidigital number, since it uses as much as digits as its factorization.

1310987698375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54341667 (or 54341657 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 67.

The spelling of 1310987698375 in words is "one trillion, three hundred ten billion, nine hundred eighty-seven million, six hundred ninety-eight thousand, three hundred seventy-five".