1135555313 has 2 divisors, whose sum is σ = 1135555314. Its totient is φ = 1135555312.

The previous prime is 1135555303. The next prime is 1135555319. The reversal of 1135555313 is 3135555311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 909143104 + 226412209 = 30152^2 + 15047^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135555313 - 2¹² = 1135551217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1135555313.

It is not a weakly prime, because it can be changed into another prime (1135555319) by changing a digit.

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 as a sum of consecutive naturals, namely, 567777656 + 567777657.

It is an arithmetic number, because the mean of its divisors is an integer number (567777657).

Almost surely, 2^1135555313 is an apocalyptic number.

It is an amenable number.

1135555313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135555313 is an equidigital number, since it uses as much as digits as its factorization.

1135555313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16875, while the sum is 32.

The square root of 1135555313 is about 33698.0016173066. The cubic root of 1135555313 is about 1043.2845225378.

The spelling of 1135555313 in words is "one billion, one hundred thirty-five million, five hundred fifty-five thousand, three hundred thirteen".