13687120351 has 2 divisors, whose sum is σ = 13687120352. Its totient is φ = 13687120350.

The previous prime is 13687120313. The next prime is 13687120387. The reversal of 13687120351 is 15302178631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13687120351 - 2³³ = 5097185759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13687120351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13687120151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6843560175 + 6843560176.

It is an arithmetic number, because the mean of its divisors is an integer number (6843560176).

Almost surely, 2^13687120351 is an apocalyptic number.

13687120351 is a deficient number, since it is larger than the sum of its proper divisors (1).

13687120351 is an equidigital number, since it uses as much as digits as its factorization.

13687120351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 13687120351 its reverse (15302178631), we get a palindrome (28989298982).

The spelling of 13687120351 in words is "thirteen billion, six hundred eighty-seven million, one hundred twenty thousand, three hundred fifty-one".