11554520144446 has 4 divisors (see below), whose sum is σ = 17331780216672. Its totient is φ = 5777260072222.

The previous prime is 11554520144441. The next prime is 11554520144483. The reversal of 11554520144446 is 64444102545511.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 11554520144396 and 11554520144405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554520144441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2888630036110 + ... + 2888630036113.

It is an arithmetic number, because the mean of its divisors is an integer number (4332945054168).

Almost surely, 2^{11554520144446} is an apocalyptic number.

11554520144446 is a deficient number, since it is larger than the sum of its proper divisors (5777260072226).

11554520144446 is an equidigital number, since it uses as much as digits as its factorization.

11554520144446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777260072225.

The product of its (nonzero) digits is 1536000, while the sum is 46.

Adding to 11554520144446 its reverse (64444102545511), we get a palindrome (75998622689957).

The spelling of 11554520144446 in words is "eleven trillion, five hundred fifty-four billion, five hundred twenty million, one hundred forty-four thousand, four hundred forty-six".