1159401601 has 2 divisors, whose sum is σ = 1159401602. Its totient is φ = 1159401600.

The previous prime is 1159401589. The next prime is 1159401611. The reversal of 1159401601 is 1061049511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067720976 + 91680625 = 32676^2 + 9575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1159401601 - 2²⁵ = 1125847169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1159401601.

It is not a weakly prime, because it can be changed into another prime (1159401611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579700800 + 579700801.

It is an arithmetic number, because the mean of its divisors is an integer number (579700801).

Almost surely, 2^1159401601 is an apocalyptic number.

It is an amenable number.

1159401601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159401601 is an equidigital number, since it uses as much as digits as its factorization.

1159401601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 1159401601 is about 34049.9867988227. The cubic root of 1159401601 is about 1050.5368686099.

The spelling of 1159401601 in words is "one billion, one hundred fifty-nine million, four hundred one thousand, six hundred one".