11515135045315 has 32 divisors (see below), whose sum is σ = 15251171832000. Its totient is φ = 8276505937920.

The previous prime is 11515135045247. The next prime is 11515135045333. The reversal of 11515135045315 is 51354053151511.

It is not a de Polignac number, because 11515135045315 - 2²⁵ = 11515101490883 is a prime.

It is a super-2 number, since 2×11515135045315² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9476511 + ... + 10622359.

It is an arithmetic number, because the mean of its divisors is an integer number (476599119750).

Almost surely, 2^{11515135045315} is an apocalyptic number.

11515135045315 is a deficient number, since it is larger than the sum of its proper divisors (3736036786685).

11515135045315 is a wasteful number, since it uses less digits than its factorization.

11515135045315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148007.

The product of its (nonzero) digits is 112500, while the sum is 40.

Adding to 11515135045315 its reverse (51354053151511), we get a palindrome (62869188196826).

The spelling of 11515135045315 in words is "eleven trillion, five hundred fifteen billion, one hundred thirty-five million, forty-five thousand, three hundred fifteen".