1319111852137 has 2 divisors, whose sum is σ = 1319111852138. Its totient is φ = 1319111852136.

The previous prime is 1319111852117. The next prime is 1319111852167. The reversal of 1319111852137 is 7312581119131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1257080470416 + 62031381721 = 1121196^2 + 249061^2 .

It is a cyclic number.

It is not a de Polignac number, because 1319111852137 - 2²⁷ = 1318977634409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1319111852093 and 1319111852102.

It is not a weakly prime, because it can be changed into another prime (1319111852117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659555926068 + 659555926069.

It is an arithmetic number, because the mean of its divisors is an integer number (659555926069).

Almost surely, 2^{1319111852137} is an apocalyptic number.

It is an amenable number.

1319111852137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319111852137 is an equidigital number, since it uses as much as digits as its factorization.

1319111852137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 43.

The spelling of 1319111852137 in words is "one trillion, three hundred nineteen billion, one hundred eleven million, eight hundred fifty-two thousand, one hundred thirty-seven".