1111110999997 has 2 divisors, whose sum is σ = 1111110999998. Its totient is φ = 1111110999996.

The previous prime is 1111110999983. The next prime is 1111111000009. The reversal of 1111110999997 is 7999990111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1075215529476 + 35895470521 = 1036926^2 + 189461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111110999997 is a prime.

It is a super-3 number, since 3×1111110999997³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111110993997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555555499998 + 555555499999.

It is an arithmetic number, because the mean of its divisors is an integer number (555555499999).

Almost surely, 2^{1111110999997} is an apocalyptic number.

It is an amenable number.

1111110999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111110999997 is an equidigital number, since it uses as much as digits as its factorization.

1111110999997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 413343, while the sum is 58.

The spelling of 1111110999997 in words is "one trillion, one hundred eleven billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred ninety-seven".