7119997509919 has 16 divisors (see below), whose sum is σ = 8339782176000. Its totient is φ = 6075970118232.

The previous prime is 7119997509901. The next prime is 7119997509979. The reversal of 7119997509919 is 9199057999117.

It is not a de Polignac number, because 7119997509919 - 2⁹ = 7119997509407 is a prime.

It is a super-2 number, since 2×7119997509919² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7119997509979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45644629 + ... + 45800350.

It is an arithmetic number, because the mean of its divisors is an integer number (521236386000).

Almost surely, 2^{7119997509919} is an apocalyptic number.

7119997509919 is a deficient number, since it is larger than the sum of its proper divisors (1219784666081).

7119997509919 is an equidigital number, since it uses as much as digits as its factorization.

7119997509919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91445227 (or 91445213 counting only the distinct ones).

The product of its (nonzero) digits is 130203045, while the sum is 76.

The spelling of 7119997509919 in words is "seven trillion, one hundred nineteen billion, nine hundred ninety-seven million, five hundred nine thousand, nine hundred nineteen".