1154514545412 has 24 divisors (see below), whose sum is σ = 2694246729216. Its totient is φ = 384783973728.

The previous prime is 1154514545411. The next prime is 1154514545441. The reversal of 1154514545412 is 2145454154511.

It is not an unprimeable number, because it can be changed into a prime (1154514545411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6687223 + ... + 6857694.

It is an arithmetic number, because the mean of its divisors is an integer number (112260280384).

Almost surely, 2^{1154514545412} is an apocalyptic number.

1154514545412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1154514545412 is an abundant number, since it is smaller than the sum of its proper divisors (1539732183804).

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

1154514545412 is a wasteful number, since it uses less digits than its factorization.

1154514545412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13552027 (or 13552025 counting only the distinct ones).

The product of its digits is 320000, while the sum is 42.

Adding to 1154514545412 its reverse (2145454154511), we get a palindrome (3299968699923).

The spelling of 1154514545412 in words is "one trillion, one hundred fifty-four billion, five hundred fourteen million, five hundred forty-five thousand, four hundred twelve".