1298109626115 has 16 divisors (see below), whose sum is σ = 2116163618208. Its totient is φ = 679262395136.

The previous prime is 1298109626089. The next prime is 1298109626123. The reversal of 1298109626115 is 5116269018921.

It is a cyclic number.

It is not a de Polignac number, because 1298109626115 - 2⁵ = 1298109626083 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816420354 + ... + 816421943.

It is an arithmetic number, because the mean of its divisors is an integer number (132260226138).

Almost surely, 2^{1298109626115} is an apocalyptic number.

1298109626115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1298109626115 is a deficient number, since it is larger than the sum of its proper divisors (818053992093).

1298109626115 is a wasteful number, since it uses less digits than its factorization.

1298109626115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632842358.

The product of its (nonzero) digits is 466560, while the sum is 51.

The spelling of 1298109626115 in words is "one trillion, two hundred ninety-eight billion, one hundred nine million, six hundred twenty-six thousand, one hundred fifteen".