1154322153012 has 24 divisors (see below), whose sum is σ = 3078192408256. Its totient is φ = 329806329408.

The previous prime is 1154322153011. The next prime is 1154322153029. The reversal of 1154322153012 is 2103512234511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154322153011) 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, 6870965113 + ... + 6870965280.

Almost surely, 2^{1154322153012} is an apocalyptic number.

1154322153012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1154322153012 is an abundant number, since it is smaller than the sum of its proper divisors (1923870255244).

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

1154322153012 is a wasteful number, since it uses less digits than its factorization.

1154322153012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13741930407 (or 13741930405 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1154322153012 its reverse (2103512234511), we get a palindrome (3257834387523).

The spelling of 1154322153012 in words is "one trillion, one hundred fifty-four billion, three hundred twenty-two million, one hundred fifty-three thousand, twelve".