1198813556701 has 2 divisors, whose sum is σ = 1198813556702. Its totient is φ = 1198813556700.

The previous prime is 1198813556657. The next prime is 1198813556723. The reversal of 1198813556701 is 1076553188911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1183524234201 + 15289322500 = 1087899^2 + 123650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1198813556701 - 2¹⁷ = 1198813425629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1198813506701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599406778350 + 599406778351.

It is an arithmetic number, because the mean of its divisors is an integer number (599406778351).

Almost surely, 2^{1198813556701} is an apocalyptic number.

It is an amenable number.

1198813556701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198813556701 is an equidigital number, since it uses as much as digits as its factorization.

1198813556701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 55.

The spelling of 1198813556701 in words is "one trillion, one hundred ninety-eight billion, eight hundred thirteen million, five hundred fifty-six thousand, seven hundred one".