11515344450204 has 72 divisors (see below), whose sum is σ = 31276928539920. Its totient is φ = 3287888561664.

The previous prime is 11515344450199. The next prime is 11515344450217. The reversal of 11515344450204 is 40205444351511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5700667 + ... + 7451730.

Almost surely, 2^{11515344450204} is an apocalyptic number.

11515344450204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11515344450204 is an abundant number, since it is smaller than the sum of its proper divisors (19761584089716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11515344450204 is a wasteful number, since it uses less digits than its factorization.

11515344450204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13153907 (or 13153898 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 11515344450204 in words is "eleven trillion, five hundred fifteen billion, three hundred forty-four million, four hundred fifty thousand, two hundred four".