1161453355 has 4 divisors (see below), whose sum is σ = 1393744032. Its totient is φ = 929162680.

The previous prime is 1161453343. The next prime is 1161453367. The reversal of 1161453355 is 5533541611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5533541611 = 13 ⋅425657047.

It is an interprime number because it is at equal distance from previous prime (1161453343) and next prime (1161453367).

It is not a de Polignac number, because 1161453355 - 2⁵ = 1161453323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161453355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116145331 + ... + 116145340.

It is an arithmetic number, because the mean of its divisors is an integer number (348436008).

Almost surely, 2^1161453355 is an apocalyptic number.

1161453355 is a deficient number, since it is larger than the sum of its proper divisors (232290677).

1161453355 is an equidigital number, since it uses as much as digits as its factorization.

1161453355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232290676.

The product of its digits is 27000, while the sum is 34.

The square root of 1161453355 is about 34080.1020391665. The cubic root of 1161453355 is about 1051.1562033303.

Adding to 1161453355 its reverse (5533541611), we get a palindrome (6694994966).

The spelling of 1161453355 in words is "one billion, one hundred sixty-one million, four hundred fifty-three thousand, three hundred fifty-five".