11154316613533 has 2 divisors, whose sum is σ = 11154316613534. Its totient is φ = 11154316613532.

The previous prime is 11154316613519. The next prime is 11154316613597. The reversal of 11154316613533 is 33531661345111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9793225724569 + 1361090888964 = 3129413^2 + 1166658^2 .

It is a cyclic number.

It is not a de Polignac number, because 11154316613533 - 2¹⁷ = 11154316482461 is a prime.

It is a super-2 number, since 2×11154316613533² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11154316613533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11154376613533) 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 as a sum of consecutive naturals, namely, 5577158306766 + 5577158306767.

It is an arithmetic number, because the mean of its divisors is an integer number (5577158306767).

Almost surely, 2^{11154316613533} is an apocalyptic number.

It is an amenable number.

11154316613533 is a deficient number, since it is larger than the sum of its proper divisors (1).

11154316613533 is an equidigital number, since it uses as much as digits as its factorization.

11154316613533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 43.

Adding to 11154316613533 its reverse (33531661345111), we get a palindrome (44685977958644).

The spelling of 11154316613533 in words is "eleven trillion, one hundred fifty-four billion, three hundred sixteen million, six hundred thirteen thousand, five hundred thirty-three".