11546220412456 has 16 divisors (see below), whose sum is σ = 22395686145300. Its totient is φ = 5574037440384.

The previous prime is 11546220412453. The next prime is 11546220412483. The reversal of 11546220412456 is 65421402264511.

It can be written as a sum of positive squares in 2 ways, for example, as 10214352080100 + 1331868332356 = 3195990^2 + 1154066^2 .

It is not an unprimeable number, because it can be changed into a prime (11546220412453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24884095485 + ... + 24884095948.

Almost surely, 2^{11546220412456} is an apocalyptic number.

It is an amenable number.

11546220412456 is a deficient number, since it is larger than the sum of its proper divisors (10849465732844).

11546220412456 is a wasteful number, since it uses less digits than its factorization.

11546220412456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49768191468 (or 49768191464 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

Adding to 11546220412456 its reverse (65421402264511), we get a palindrome (76967622676967).

The spelling of 11546220412456 in words is "eleven trillion, five hundred forty-six billion, two hundred twenty million, four hundred twelve thousand, four hundred fifty-six".