11515151214117 has 12 divisors (see below), whose sum is σ = 16635272603040. Its totient is φ = 7675716827688.

The previous prime is 11515151214101. The next prime is 11515151214121. The reversal of 11515151214117 is 71141215151511.

11515151214117 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 515 + 1 + 21 + 4 + 117 = 666.

It is not a de Polignac number, because 11515151214117 - 2⁴ = 11515151214101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11515151214187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87484617 + ... + 87616142.

It is an arithmetic number, because the mean of its divisors is an integer number (1386272716920).

Almost surely, 2^{11515151214117} is an apocalyptic number.

It is an amenable number.

11515151214117 is a deficient number, since it is larger than the sum of its proper divisors (5120121388923).

11515151214117 is a wasteful number, since it uses less digits than its factorization.

11515151214117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175108072 (or 175108069 counting only the distinct ones).

The product of its digits is 7000, while the sum is 36.

Adding to 11515151214117 its reverse (71141215151511), we get a palindrome (82656366365628).

It can be divided in two parts, 1151515 and 1214117, that added together give a palindrome (2365632).

The spelling of 11515151214117 in words is "eleven trillion, five hundred fifteen billion, one hundred fifty-one million, two hundred fourteen thousand, one hundred seventeen".