1298109626116 has 12 divisors (see below), whose sum is σ = 2283462271132. Its totient is φ = 645691834368.

The previous prime is 1298109626089. The next prime is 1298109626123. The reversal of 1298109626116 is 6116269018921.

It can be written as a sum of positive squares in 2 ways, for example, as 775727608516 + 522382017600 = 880754^2 + 722760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840743805 + ... + 840745348.

Almost surely, 2^{1298109626116} is an apocalyptic number.

It is an amenable number.

1298109626116 is a deficient number, since it is larger than the sum of its proper divisors (985352645016).

1298109626116 is a wasteful number, since it uses less digits than its factorization.

1298109626116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681489350 (or 1681489348 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 1298109626116 in words is "one trillion, two hundred ninety-eight billion, one hundred nine million, six hundred twenty-six thousand, one hundred sixteen".