1163157011 has 2 divisors, whose sum is σ = 1163157012. Its totient is φ = 1163157010.

The previous prime is 1163157007. The next prime is 1163157019. The reversal of 1163157011 is 1107513611.

It is a weak prime.

It is an emirp because it is prime and its reverse (1107513611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1163157011 - 2² = 1163157007 is a prime.

It is not a weakly prime, because it can be changed into another prime (1163157019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581578505 + 581578506.

It is an arithmetic number, because the mean of its divisors is an integer number (581578506).

Almost surely, 2^1163157011 is an apocalyptic number.

1163157011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163157011 is an equidigital number, since it uses as much as digits as its factorization.

1163157011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 1163157011 is about 34105.0877582803. The cubic root of 1163157011 is about 1051.6699084720.

The spelling of 1163157011 in words is "one billion, one hundred sixty-three million, one hundred fifty-seven thousand, eleven".