11446145152549 has 2 divisors, whose sum is σ = 11446145152550. Its totient is φ = 11446145152548.

The previous prime is 11446145152543. The next prime is 11446145152573. The reversal of 11446145152549 is 94525154164411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8328159081025 + 3117986071524 = 2885855^2 + 1765782^2 .

It is a cyclic number.

It is not a de Polignac number, because 11446145152549 - 2¹⁵ = 11446145119781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11446145152496 and 11446145152505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11446145152543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5723072576274 + 5723072576275.

It is an arithmetic number, because the mean of its divisors is an integer number (5723072576275).

Almost surely, 2^{11446145152549} is an apocalyptic number.

It is an amenable number.

11446145152549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11446145152549 is an equidigital number, since it uses as much as digits as its factorization.

11446145152549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456000, while the sum is 52.

The spelling of 11446145152549 in words is "eleven trillion, four hundred forty-six billion, one hundred forty-five million, one hundred fifty-two thousand, five hundred forty-nine".