1111168456451 has 2 divisors, whose sum is σ = 1111168456452. Its totient is φ = 1111168456450.

The previous prime is 1111168456427. The next prime is 1111168456469. The reversal of 1111168456451 is 1546548611111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111168456451 - 2¹⁰ = 1111168455427 is a prime.

It is a super-2 number, since 2×1111168456451² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111168456751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555584228225 + 555584228226.

It is an arithmetic number, because the mean of its divisors is an integer number (555584228226).

Almost surely, 2^{1111168456451} is an apocalyptic number.

1111168456451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111168456451 is an equidigital number, since it uses as much as digits as its factorization.

1111168456451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 44.

The spelling of 1111168456451 in words is "one trillion, one hundred eleven billion, one hundred sixty-eight million, four hundred fifty-six thousand, four hundred fifty-one".