11515233155105 has 8 divisors (see below), whose sum is σ = 13818318562152. Its totient is φ = 9212160673408.

The previous prime is 11515233155057. The next prime is 11515233155117. The reversal of 11515233155105 is 50155133251511.

It can be written as a sum of positive squares in 4 ways, for example, as 2560972892416 + 8954260262689 = 1600304^2 + 2992367^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11515233155105 is a prime.

It is a super-3 number, since 3×11515233155105³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1149404 + ... + 4934733.

It is an arithmetic number, because the mean of its divisors is an integer number (1727289820269).

Almost surely, 2^{11515233155105} is an apocalyptic number.

It is an amenable number.

11515233155105 is a deficient number, since it is larger than the sum of its proper divisors (2303085407047).

11515233155105 is an equidigital number, since it uses as much as digits as its factorization.

11515233155105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462675.

The product of its (nonzero) digits is 56250, while the sum is 38.

The spelling of 11515233155105 in words is "eleven trillion, five hundred fifteen billion, two hundred thirty-three million, one hundred fifty-five thousand, one hundred five".