1135500001 has 2 divisors, whose sum is σ = 1135500002. Its totient is φ = 1135500000.

The previous prime is 1135499999. The next prime is 1135500007. The reversal of 1135500001 is 1000055311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 830822976 + 304677025 = 28824^2 + 17455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135500001 - 2¹ = 1135499999 is a prime.

Together with 1135499999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1135500007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567750000 + 567750001.

It is an arithmetic number, because the mean of its divisors is an integer number (567750001).

Almost surely, 2^1135500001 is an apocalyptic number.

It is an amenable number.

1135500001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135500001 is an equidigital number, since it uses as much as digits as its factorization.

1135500001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 1135500001 is about 33697.1809058265. The cubic root of 1135500001 is about 1043.2675830752.

Adding to 1135500001 its reverse (1000055311), we get a palindrome (2135555312).

The spelling of 1135500001 in words is "one billion, one hundred thirty-five million, five hundred thousand, one".