11454144631205 has 16 divisors (see below), whose sum is σ = 13778581420800. Its totient is φ = 9140913017280.

The previous prime is 11454144631157. The next prime is 11454144631211. The reversal of 11454144631205 is 50213644145411.

It is a happy number.

It is not a de Polignac number, because 11454144631205 - 2⁶ = 11454144631141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37938836 + ... + 38239554.

It is an arithmetic number, because the mean of its divisors is an integer number (861161338800).

Almost surely, 2^{11454144631205} is an apocalyptic number.

It is an amenable number.

11454144631205 is a deficient number, since it is larger than the sum of its proper divisors (2324436789595).

11454144631205 is a wasteful number, since it uses less digits than its factorization.

11454144631205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319324.

The product of its (nonzero) digits is 230400, while the sum is 41.

Adding to 11454144631205 its reverse (50213644145411), we get a palindrome (61667788776616).

The spelling of 11454144631205 in words is "eleven trillion, four hundred fifty-four billion, one hundred forty-four million, six hundred thirty-one thousand, two hundred five".