1118988736997 has 2 divisors, whose sum is σ = 1118988736998. Its totient is φ = 1118988736996.

The previous prime is 1118988736963. The next prime is 1118988737029. The reversal of 1118988736997 is 7996378898111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093950738241 + 25037998756 = 1045921^2 + 158234^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118988736997 - 2¹⁴ = 1118988720613 is a prime.

It is a super-2 number, since 2×1118988736997² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118988738997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559494368498 + 559494368499.

It is an arithmetic number, because the mean of its divisors is an integer number (559494368499).

Almost surely, 2^{1118988736997} is an apocalyptic number.

It is an amenable number.

1118988736997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118988736997 is an equidigital number, since it uses as much as digits as its factorization.

1118988736997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329204736, while the sum is 77.

The spelling of 1118988736997 in words is "one trillion, one hundred eighteen billion, nine hundred eighty-eight million, seven hundred thirty-six thousand, nine hundred ninety-seven".