11968135325 has 6 divisors (see below), whose sum is σ = 14840487834. Its totient is φ = 9574508240.

The previous prime is 11968135273. The next prime is 11968135343. The reversal of 11968135325 is 52353186911.

It can be written as a sum of positive squares in 3 ways, for example, as 2989246276 + 8978889049 = 54674^2 + 94757^2 .

It is not a de Polignac number, because 11968135325 - 2¹² = 11968131229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239362682 + ... + 239362731.

It is an arithmetic number, because the mean of its divisors is an integer number (2473414639).

Almost surely, 2^11968135325 is an apocalyptic number.

It is an amenable number.

11968135325 is a deficient number, since it is larger than the sum of its proper divisors (2872352509).

11968135325 is an equidigital number, since it uses as much as digits as its factorization.

11968135325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478725423 (or 478725418 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The spelling of 11968135325 in words is "eleven billion, nine hundred sixty-eight million, one hundred thirty-five thousand, three hundred twenty-five".