1154513331120 has 80 divisors (see below), whose sum is σ = 3694442683392. Its totient is φ = 297938922240.

The previous prime is 1154513331091. The next prime is 1154513331131. The reversal of 1154513331120 is 211333154511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77580822 + ... + 77595701.

Almost surely, 2^{1154513331120} is an apocalyptic number.

1154513331120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154513331120 is an abundant number, since it is smaller than the sum of its proper divisors (2539929352272).

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

1154513331120 is a wasteful number, since it uses less digits than its factorization.

1154513331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155176570 (or 155176564 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 1154513331120 its reverse (211333154511), we get a palindrome (1365846485631).

The spelling of 1154513331120 in words is "one trillion, one hundred fifty-four billion, five hundred thirteen million, three hundred thirty-one thousand, one hundred twenty".