1198141917955 has 16 divisors (see below), whose sum is σ = 1514291454720. Its totient is φ = 907556034528.

The previous prime is 1198141917923. The next prime is 1198141918003. The reversal of 1198141917955 is 5597191418911.

It is a cyclic number.

It is not a de Polignac number, because 1198141917955 - 2⁵ = 1198141917923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1198141917893 and 1198141917902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3367357 + ... + 3706126.

It is an arithmetic number, because the mean of its divisors is an integer number (94643215920).

Almost surely, 2^{1198141917955} is an apocalyptic number.

1198141917955 is a deficient number, since it is larger than the sum of its proper divisors (316149536765).

1198141917955 is a wasteful number, since it uses less digits than its factorization.

1198141917955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075290.

The product of its digits is 4082400, while the sum is 61.

The spelling of 1198141917955 in words is "one trillion, one hundred ninety-eight billion, one hundred forty-one million, nine hundred seventeen thousand, nine hundred fifty-five".