1194191311355 has 64 divisors (see below), whose sum is σ = 1678284251136. Its totient is φ = 798797376000.

The previous prime is 1194191311333. The next prime is 1194191311361. The reversal of 1194191311355 is 5531131914911.

It is a de Polignac number, because none of the positive numbers 2^k-1194191311355 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 271961210 + ... + 271965600.

It is an arithmetic number, because the mean of its divisors is an integer number (26223191424).

Almost surely, 2^{1194191311355} is an apocalyptic number.

1194191311355 is a deficient number, since it is larger than the sum of its proper divisors (484092939781).

1194191311355 is a wasteful number, since it uses less digits than its factorization.

1194191311355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268.

The product of its digits is 72900, while the sum is 44.

The spelling of 1194191311355 in words is "one trillion, one hundred ninety-four billion, one hundred ninety-one million, three hundred eleven thousand, three hundred fifty-five".