1153421544140 has 24 divisors (see below), whose sum is σ = 2549668677360. Its totient is φ = 437086058688.

The previous prime is 1153421544133. The next prime is 1153421544211. The reversal of 1153421544140 is 414451243511.

It is a self number, because there is not a number n which added to its sum of digits gives 1153421544140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517659547 + ... + 1517660306.

It is an arithmetic number, because the mean of its divisors is an integer number (106236194890).

Almost surely, 2^{1153421544140} is an apocalyptic number.

1153421544140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153421544140 is an abundant number, since it is smaller than the sum of its proper divisors (1396247133220).

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

1153421544140 is a wasteful number, since it uses less digits than its factorization.

1153421544140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035319881 (or 3035319879 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 1153421544140 its reverse (414451243511), we get a palindrome (1567872787651).

The spelling of 1153421544140 in words is "one trillion, one hundred fifty-three billion, four hundred twenty-one million, five hundred forty-four thousand, one hundred forty".