1161456419 has 2 divisors, whose sum is σ = 1161456420. Its totient is φ = 1161456418.

The previous prime is 1161456389. The next prime is 1161456421. The reversal of 1161456419 is 9146541611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161456419 - 2¹² = 1161452323 is a prime.

It is a super-2 number, since 2×1161456419² = 2697962026472607122, which contains 22 as substring.

Together with 1161456421, 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 (1161456449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580728209 + 580728210.

It is an arithmetic number, because the mean of its divisors is an integer number (580728210).

Almost surely, 2^1161456419 is an apocalyptic number.

1161456419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161456419 is an equidigital number, since it uses as much as digits as its factorization.

1161456419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 1161456419 is about 34080.1469920539. The cubic root of 1161456419 is about 1051.1571276722.

The spelling of 1161456419 in words is "one billion, one hundred sixty-one million, four hundred fifty-six thousand, four hundred nineteen".