1170405011 has 2 divisors, whose sum is σ = 1170405012. Its totient is φ = 1170405010.

The previous prime is 1170404993. The next prime is 1170405017. The reversal of 1170405011 is 1105040711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1170405011 - 2¹⁰ = 1170403987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170405017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585202505 + 585202506.

It is an arithmetic number, because the mean of its divisors is an integer number (585202506).

Almost surely, 2^1170405011 is an apocalyptic number.

1170405011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170405011 is an equidigital number, since it uses as much as digits as its factorization.

1170405011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 1170405011 is about 34211.1825431393. The cubic root of 1170405011 is about 1053.8498163330.

Adding to 1170405011 its reverse (1105040711), we get a palindrome (2275445722).

The spelling of 1170405011 in words is "one billion, one hundred seventy million, four hundred five thousand, eleven".