11554324366512 has 40 divisors (see below), whose sum is σ = 29883258491904. Its totient is φ = 3846978589504.

The previous prime is 11554324366511. The next prime is 11554324366547. The reversal of 11554324366512 is 21566342345511.

It is a happy number.

It is a super-2 number, since 2×11554324366512² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (11554324366511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139422708 + ... + 139505555.

Almost surely, 2^{11554324366512} is an apocalyptic number.

11554324366512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11554324366512 is an abundant number, since it is smaller than the sum of its proper divisors (18328934125392).

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

11554324366512 is a wasteful number, since it uses less digits than its factorization.

11554324366512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278929137 (or 278929131 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

The spelling of 11554324366512 in words is "eleven trillion, five hundred fifty-four billion, three hundred twenty-four million, three hundred sixty-six thousand, five hundred twelve".