11554345642512 has 40 divisors (see below), whose sum is σ = 31604533671456. Its totient is φ = 3624892750336.

The previous prime is 11554345642493. The next prime is 11554345642513. The reversal of 11554345642512 is 21524654345511.

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 (11554345642513) 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, 7079867838 + ... + 7079869469.

Almost surely, 2^{11554345642512} is an apocalyptic number.

11554345642512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11554345642512 is an abundant number, since it is smaller than the sum of its proper divisors (20050188028944).

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

11554345642512 is a wasteful number, since it uses less digits than its factorization.

11554345642512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14159737335 (or 14159737329 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 48.

The spelling of 11554345642512 in words is "eleven trillion, five hundred fifty-four billion, three hundred forty-five million, six hundred forty-two thousand, five hundred twelve".