1011612013 has 16 divisors (see below), whose sum is σ = 1119899520. Its totient is φ = 908909056.

The previous prime is 1011611987. The next prime is 1011612097. The reversal of 1011612013 is 3102161101.

It is a cyclic number.

It is not a de Polignac number, because 1011612013 - 2⁵ = 1011611981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011612313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220206 + ... + 224752.

It is an arithmetic number, because the mean of its divisors is an integer number (69993720).

Almost surely, 2^1011612013 is an apocalyptic number.

It is an amenable number.

1011612013 is a deficient number, since it is larger than the sum of its proper divisors (108287507).

1011612013 is a wasteful number, since it uses less digits than its factorization.

1011612013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1011612013 is about 31805.8487231515. The cubic root of 1011612013 is about 1003.8557848154.

Adding to 1011612013 its reverse (3102161101), we get a palindrome (4113773114).

The spelling of 1011612013 in words is "one billion, eleven million, six hundred twelve thousand, thirteen".