11520504135136 has 48 divisors (see below), whose sum is σ = 22709948053968. Its totient is φ = 5752902988800.

The previous prime is 11520504135121. The next prime is 11520504135139. The reversal of 11520504135136 is 63153140502511.

It is a junction number, because it is equal to n+sod(n) for n = 11520504135095 and 11520504135104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520504135139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79947631 + ... + 80091601.

It is an arithmetic number, because the mean of its divisors is an integer number (473123917791).

Almost surely, 2^{11520504135136} is an apocalyptic number.

11520504135136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11520504135136 is a deficient number, since it is larger than the sum of its proper divisors (11189443918832).

11520504135136 is a wasteful number, since it uses less digits than its factorization.

11520504135136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147155 (or 147147 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 11520504135136 its reverse (63153140502511), we get a palindrome (74673644637647).

The spelling of 11520504135136 in words is "eleven trillion, five hundred twenty billion, five hundred four million, one hundred thirty-five thousand, one hundred thirty-six".