1011136513 has 6 divisors (see below), whose sum is σ = 1028568434. Its totient is φ = 993995184.

The previous prime is 1011136487. The next prime is 1011136519. The reversal of 1011136513 is 3156311101.

It can be written as a sum of positive squares in only one way, i.e., 714332529 + 296803984 = 26727^2 + 17228^2 .

It is not a de Polignac number, because 1011136513 - 2⁹ = 1011136001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011136519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141756 + ... + 148717.

Almost surely, 2^1011136513 is an apocalyptic number.

It is an amenable number.

1011136513 is a deficient number, since it is larger than the sum of its proper divisors (17431921).

1011136513 is an frugal number, since it uses more digits than its factorization.

1011136513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290591 (or 290532 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1011136513 is about 31798.3728042804. The cubic root of 1011136513 is about 1003.6984754161.

Adding to 1011136513 its reverse (3156311101), we get a palindrome (4167447614).

The spelling of 1011136513 in words is "one billion, eleven million, one hundred thirty-six thousand, five hundred thirteen".