11955252416449 has 4 divisors (see below), whose sum is σ = 12011912380720. Its totient is φ = 11898592452180.

The previous prime is 11955252416447. The next prime is 11955252416479. The reversal of 11955252416449 is 94461425255911.

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 11955252416449 - 2¹ = 11955252416447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11955252416393 and 11955252416402.

It is not an unprimeable number, because it can be changed into a prime (11955252416447) 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, 28329981819 + ... + 28329982240.

It is an arithmetic number, because the mean of its divisors is an integer number (3002978095180).

Almost surely, 2^{11955252416449} is an apocalyptic number.

It is an amenable number.

11955252416449 is a deficient number, since it is larger than the sum of its proper divisors (56659964271).

11955252416449 is an equidigital number, since it uses as much as digits as its factorization.

11955252416449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56659964270.

The product of its digits is 15552000, while the sum is 58.

The spelling of 11955252416449 in words is "eleven trillion, nine hundred fifty-five billion, two hundred fifty-two million, four hundred sixteen thousand, four hundred forty-nine".