11520504125461 has 2 divisors, whose sum is σ = 11520504125462. Its totient is φ = 11520504125460.

The previous prime is 11520504125419. The next prime is 11520504125483. The reversal of 11520504125461 is 16452140502511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10809096222961 + 711407902500 = 3287719^2 + 843450^2 .

It is a cyclic number.

It is not a de Polignac number, because 11520504125461 - 2⁹ = 11520504124949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11520504125461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11520504125161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760252062730 + 5760252062731.

It is an arithmetic number, because the mean of its divisors is an integer number (5760252062731).

Almost surely, 2^{11520504125461} is an apocalyptic number.

It is an amenable number.

11520504125461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520504125461 is an equidigital number, since it uses as much as digits as its factorization.

11520504125461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 37.

Adding to 11520504125461 its reverse (16452140502511), we get a palindrome (27972644627972).

The spelling of 11520504125461 in words is "eleven trillion, five hundred twenty billion, five hundred four million, one hundred twenty-five thousand, four hundred sixty-one".