11520502455127 has 2 divisors, whose sum is σ = 11520502455128. Its totient is φ = 11520502455126.

The previous prime is 11520502455073. The next prime is 11520502455131. The reversal of 11520502455127 is 72155420502511.

It is a strong prime.

It is an emirp because it is prime and its reverse (72155420502511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11520502455127 is a prime.

It is a super-2 number, since 2×11520502455127² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11520502455127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11520502455157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760251227563 + 5760251227564.

It is an arithmetic number, because the mean of its divisors is an integer number (5760251227564).

Almost surely, 2^{11520502455127} is an apocalyptic number.

11520502455127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520502455127 is an equidigital number, since it uses as much as digits as its factorization.

11520502455127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140000, while the sum is 40.

Adding to 11520502455127 its reverse (72155420502511), we get a palindrome (83675922957638).

The spelling of 11520502455127 in words is "eleven trillion, five hundred twenty billion, five hundred two million, four hundred fifty-five thousand, one hundred twenty-seven".