11520504125456 has 40 divisors (see below), whose sum is σ = 23180965873824. Its totient is φ = 5542318172160.

The previous prime is 11520504125419. The next prime is 11520504125461. The reversal of 11520504125456 is 65452140502511.

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, 124915985 + ... + 125008176.

Almost surely, 2^{11520504125456} is an apocalyptic number.

11520504125456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11520504125456 is an abundant number, since it is smaller than the sum of its proper divisors (11660461748368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11520504125456 is a wasteful number, since it uses less digits than its factorization.

11520504125456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249924279 (or 249924273 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 41.

Adding to 11520504125456 its reverse (65452140502511), we get a palindrome (76972644627967).

The spelling of 11520504125456 in words is "eleven trillion, five hundred twenty billion, five hundred four million, one hundred twenty-five thousand, four hundred fifty-six".