1151656643453 has 2 divisors, whose sum is σ = 1151656643454. Its totient is φ = 1151656643452.

The previous prime is 1151656643387. The next prime is 1151656643491. The reversal of 1151656643453 is 3543466561511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040128697689 + 111527945764 = 1019867^2 + 333958^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151656643453 - 2²⁰ = 1151655594877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151656645453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575828321726 + 575828321727.

It is an arithmetic number, because the mean of its divisors is an integer number (575828321727).

Almost surely, 2^{1151656643453} is an apocalyptic number.

It is an amenable number.

1151656643453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151656643453 is an equidigital number, since it uses as much as digits as its factorization.

1151656643453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 50.

The spelling of 1151656643453 in words is "one trillion, one hundred fifty-one billion, six hundred fifty-six million, six hundred forty-three thousand, four hundred fifty-three".