11546531313461 has 8 divisors (see below), whose sum is σ = 11550670338648. Its totient is φ = 11542392576000.

The previous prime is 11546531313439. The next prime is 11546531313509. The reversal of 11546531313461 is 16431313564511.

It can be written as a sum of positive squares in 4 ways, for example, as 912084210961 + 10634447102500 = 955031^2 + 3261050^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11546531313461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11546531313761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109122821 + ... + 109228581.

It is an arithmetic number, because the mean of its divisors is an integer number (1443833792331).

Almost surely, 2^{11546531313461} is an apocalyptic number.

It is an amenable number.

11546531313461 is a deficient number, since it is larger than the sum of its proper divisors (4139025187).

11546531313461 is a wasteful number, since it uses less digits than its factorization.

11546531313461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143863.

The product of its digits is 388800, while the sum is 44.

Adding to 11546531313461 its reverse (16431313564511), we get a palindrome (27977844877972).

The spelling of 11546531313461 in words is "eleven trillion, five hundred forty-six billion, five hundred thirty-one million, three hundred thirteen thousand, four hundred sixty-one".