11515342131355 has 8 divisors (see below), whose sum is σ = 13818451085712. Its totient is φ = 9212246686368.

The previous prime is 11515342131341. The next prime is 11515342131361. The reversal of 11515342131355 is 55313124351511.

11515342131355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11515342131355 - 2⁹ = 11515342130843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396444 + ... + 4998073.

It is an arithmetic number, because the mean of its divisors is an integer number (1727306385714).

Almost surely, 2^{11515342131355} is an apocalyptic number.

11515342131355 is a deficient number, since it is larger than the sum of its proper divisors (2303108954357).

11515342131355 is an equidigital number, since it uses as much as digits as its factorization.

11515342131355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6754685.

The product of its digits is 135000, while the sum is 40.

Adding to 11515342131355 its reverse (55313124351511), we get a palindrome (66828466482866).

The spelling of 11515342131355 in words is "eleven trillion, five hundred fifteen billion, three hundred forty-two million, one hundred thirty-one thousand, three hundred fifty-five".