1171549351043 has 2 divisors, whose sum is σ = 1171549351044. Its totient is φ = 1171549351042.

The previous prime is 1171549351009. The next prime is 1171549351051. The reversal of 1171549351043 is 3401539451711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1171549351043 - 2⁸ = 1171549350787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1171549350985 and 1171549351003.

It is not a weakly prime, because it can be changed into another prime (1171549351243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585774675521 + 585774675522.

It is an arithmetic number, because the mean of its divisors is an integer number (585774675522).

Almost surely, 2^{1171549351043} is an apocalyptic number.

1171549351043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171549351043 is an equidigital number, since it uses as much as digits as its factorization.

1171549351043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 1171549351043 in words is "one trillion, one hundred seventy-one billion, five hundred forty-nine million, three hundred fifty-one thousand, forty-three".