1151660171 has 2 divisors, whose sum is σ = 1151660172. Its totient is φ = 1151660170.

The previous prime is 1151660149. The next prime is 1151660173. The reversal of 1151660171 is 1710661511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151660171 is a prime.

It is a super-2 number, since 2×1151660171² = 2652642298935498482, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1151660173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1151660173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575830085 + 575830086.

It is an arithmetic number, because the mean of its divisors is an integer number (575830086).

Almost surely, 2^1151660171 is an apocalyptic number.

1151660171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151660171 is an equidigital number, since it uses as much as digits as its factorization.

1151660171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 1151660171 is about 33936.1189737424. The cubic root of 1151660171 is about 1048.1934683879.

The spelling of 1151660171 in words is "one billion, one hundred fifty-one million, six hundred sixty thousand, one hundred seventy-one".