1135163971 has 2 divisors, whose sum is σ = 1135163972. Its totient is φ = 1135163970.

The previous prime is 1135163969. The next prime is 1135163993. The reversal of 1135163971 is 1793615311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1135163971 - 2¹ = 1135163969 is a prime.

Together with 1135163969, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1135163971.

It is not a weakly prime, because it can be changed into another prime (1135163941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567581985 + 567581986.

It is an arithmetic number, because the mean of its divisors is an integer number (567581986).

Almost surely, 2^1135163971 is an apocalyptic number.

1135163971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135163971 is an equidigital number, since it uses as much as digits as its factorization.

1135163971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 1135163971 is about 33692.1945114889. The cubic root of 1135163971 is about 1043.1646610752.

The spelling of 1135163971 in words is "one billion, one hundred thirty-five million, one hundred sixty-three thousand, nine hundred seventy-one".