13121115419 has 2 divisors, whose sum is σ = 13121115420. Its totient is φ = 13121115418.

The previous prime is 13121115353. The next prime is 13121115439. The reversal of 13121115419 is 91451112131.

It is a strong prime.

It is an emirp because it is prime and its reverse (91451112131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13121115419 - 2²⁸ = 12852679963 is a prime.

It is a super-2 number, since 2×13121115419² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13121115391 and 13121115400.

It is not a weakly prime, because it can be changed into another prime (13121115439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560557709 + 6560557710.

It is an arithmetic number, because the mean of its divisors is an integer number (6560557710).

Almost surely, 2^13121115419 is an apocalyptic number.

13121115419 is a deficient number, since it is larger than the sum of its proper divisors (1).

13121115419 is an equidigital number, since it uses as much as digits as its factorization.

13121115419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 29.

The spelling of 13121115419 in words is "thirteen billion, one hundred twenty-one million, one hundred fifteen thousand, four hundred nineteen".