11454412512 has 24 divisors (see below), whose sum is σ = 30067833096. Its totient is φ = 3818137472.

The previous prime is 11454412511. The next prime is 11454412517. The reversal of 11454412512 is 21521445411.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11454412512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454412511) 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, 59658303 + ... + 59658494.

It is an arithmetic number, because the mean of its divisors is an integer number (1252826379).

Almost surely, 2^11454412512 is an apocalyptic number.

11454412512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11454412512 is an abundant number, since it is smaller than the sum of its proper divisors (18613420584).

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

11454412512 is a wasteful number, since it uses less digits than its factorization.

11454412512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119316810 (or 119316802 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

Adding to 11454412512 its reverse (21521445411), we get a palindrome (32975857923).

The spelling of 11454412512 in words is "eleven billion, four hundred fifty-four million, four hundred twelve thousand, five hundred twelve".