11898884282549 has 4 divisors (see below), whose sum is σ = 12980601035520. Its totient is φ = 10817167529580.

The previous prime is 11898884282521. The next prime is 11898884282581. The reversal of 11898884282549 is 94528248889811.

11898884282549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11898884282549 - 2²⁸ = 11898615847093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11898884282549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11898884282149) 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, 540858376469 + ... + 540858376490.

It is an arithmetic number, because the mean of its divisors is an integer number (3245150258880).

Almost surely, 2^{11898884282549} is an apocalyptic number.

It is an amenable number.

11898884282549 is a deficient number, since it is larger than the sum of its proper divisors (1081716752971).

11898884282549 is a wasteful number, since it uses less digits than its factorization.

11898884282549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081716752970.

The product of its digits is 849346560, while the sum is 77.

The spelling of 11898884282549 in words is "eleven trillion, eight hundred ninety-eight billion, eight hundred eighty-four million, two hundred eighty-two thousand, five hundred forty-nine".