1011103613 has 8 divisors (see below), whose sum is σ = 1089575256. Its totient is φ = 932731200.

The previous prime is 1011103553. The next prime is 1011103661. The reversal of 1011103613 is 3163011101.

It can be written as a sum of positive squares in 4 ways, for example, as 44328964 + 966774649 = 6658^2 + 31093^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011103613 - 2¹² = 1011099517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011103591 and 1011103600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011103663) 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 in 7 ways as a sum of consecutive naturals, for example, 2918 + ... + 45063.

It is an arithmetic number, because the mean of its divisors is an integer number (136196907).

Almost surely, 2^1011103613 is an apocalyptic number.

1011103613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1011103613 is a deficient number, since it is larger than the sum of its proper divisors (78471643).

1011103613 is a wasteful number, since it uses less digits than its factorization.

1011103613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49615.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1011103613 is about 31797.8554780035. The cubic root of 1011103613 is about 1003.6875893035.

Adding to 1011103613 its reverse (3163011101), we get a palindrome (4174114714).

The spelling of 1011103613 in words is "one billion, eleven million, one hundred three thousand, six hundred thirteen".