1136397553 has 2 divisors, whose sum is σ = 1136397554. Its totient is φ = 1136397552.

The previous prime is 1136397551. The next prime is 1136397569. The reversal of 1136397553 is 3557936311.

1136397553 is nontrivially palindromic in base 11.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 823001344 + 313396209 = 28688^2 + 17703^2 .

It is a cyclic number.

It is not a de Polignac number, because 1136397553 - 2¹ = 1136397551 is a prime.

Together with 1136397551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1136397551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568198776 + 568198777.

It is an arithmetic number, because the mean of its divisors is an integer number (568198777).

Almost surely, 2^1136397553 is an apocalyptic number.

It is an amenable number.

1136397553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136397553 is an equidigital number, since it uses as much as digits as its factorization.

1136397553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 43.

The square root of 1136397553 is about 33710.4961844230. The cubic root of 1136397553 is about 1043.5423930831.

The spelling of 1136397553 in words is "one billion, one hundred thirty-six million, three hundred ninety-seven thousand, five hundred fifty-three".