1161450053 has 2 divisors, whose sum is σ = 1161450054. Its totient is φ = 1161450052.

The previous prime is 1161450049. The next prime is 1161450151. The reversal of 1161450053 is 3500541611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1160287969 + 1162084 = 34063^2 + 1078^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161450053 - 2² = 1161450049 is a prime.

It is a super-2 number, since 2×1161450053² = 2697932451227405618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161456053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580725026 + 580725027.

It is an arithmetic number, because the mean of its divisors is an integer number (580725027).

Almost surely, 2^1161450053 is an apocalyptic number.

It is an amenable number.

1161450053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161450053 is an equidigital number, since it uses as much as digits as its factorization.

1161450053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1161450053 is about 34080.0535944414. The cubic root of 1161450053 is about 1051.1552071873.

Adding to 1161450053 its reverse (3500541611), we get a palindrome (4661991664).

The spelling of 1161450053 in words is "one billion, one hundred sixty-one million, four hundred fifty thousand, fifty-three".