1161153619 has 2 divisors, whose sum is σ = 1161153620. Its totient is φ = 1161153618.

The previous prime is 1161153607. The next prime is 1161153629. The reversal of 1161153619 is 9163511611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161153619 - 2⁹ = 1161153107 is a prime.

It is a super-2 number, since 2×1161153619² = 2696555453833594322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1161153629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580576809 + 580576810.

It is an arithmetic number, because the mean of its divisors is an integer number (580576810).

Almost surely, 2^1161153619 is an apocalyptic number.

1161153619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161153619 is an equidigital number, since it uses as much as digits as its factorization.

1161153619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 34.

The square root of 1161153619 is about 34075.7042333684. The cubic root of 1161153619 is about 1051.0657716708.

The spelling of 1161153619 in words is "one billion, one hundred sixty-one million, one hundred fifty-three thousand, six hundred nineteen".