11156604315613 has 2 divisors, whose sum is σ = 11156604315614. Its totient is φ = 11156604315612.

The previous prime is 11156604315611. The next prime is 11156604315643. The reversal of 11156604315613 is 31651340665111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10994914276164 + 161690039449 = 3315858^2 + 402107^2 .

It is a cyclic number.

It is not a de Polignac number, because 11156604315613 - 2¹ = 11156604315611 is a prime.

It is a super-2 number, since 2×11156604315613² (a number of 27 digits) contains 22 as substring.

Together with 11156604315611, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11156604315613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11156604315611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578302157806 + 5578302157807.

It is an arithmetic number, because the mean of its divisors is an integer number (5578302157807).

Almost surely, 2^{11156604315613} is an apocalyptic number.

It is an amenable number.

11156604315613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11156604315613 is an equidigital number, since it uses as much as digits as its factorization.

11156604315613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 11156604315613 in words is "eleven trillion, one hundred fifty-six billion, six hundred four million, three hundred fifteen thousand, six hundred thirteen".