11554660455425 has 12 divisors (see below), whose sum is σ = 14338825866156. Its totient is φ = 9236601331200.

The previous prime is 11554660455389. The next prime is 11554660455427. The reversal of 11554660455425 is 52455406645511.

It can be written as a sum of positive squares in 6 ways, for example, as 3032254547569 + 8522405907856 = 1741337^2 + 2919316^2 .

It is not a de Polignac number, because 11554660455425 - 2¹² = 11554660451329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11554660455427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178142756 + ... + 178207605.

It is an arithmetic number, because the mean of its divisors is an integer number (1194902155513).

Almost surely, 2^{11554660455425} is an apocalyptic number.

It is an amenable number.

11554660455425 is a deficient number, since it is larger than the sum of its proper divisors (2784165410731).

11554660455425 is a wasteful number, since it uses less digits than its factorization.

11554660455425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356351668 (or 356351663 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 53.

The spelling of 11554660455425 in words is "eleven trillion, five hundred fifty-four billion, six hundred sixty million, four hundred fifty-five thousand, four hundred twenty-five".