1116272253521 has 2 divisors, whose sum is σ = 1116272253522. Its totient is φ = 1116272253520.

The previous prime is 1116272253493. The next prime is 1116272253533. The reversal of 1116272253521 is 1253522726111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044972573121 + 71299680400 = 1022239^2 + 267020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116272253521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1116272252521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558136126760 + 558136126761.

It is an arithmetic number, because the mean of its divisors is an integer number (558136126761).

Almost surely, 2^{1116272253521} is an apocalyptic number.

It is an amenable number.

1116272253521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116272253521 is an equidigital number, since it uses as much as digits as its factorization.

1116272253521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 38.

Adding to 1116272253521 its reverse (1253522726111), we get a palindrome (2369794979632).

The spelling of 1116272253521 in words is "one trillion, one hundred sixteen billion, two hundred seventy-two million, two hundred fifty-three thousand, five hundred twenty-one".