15323051103040 has 112 divisors (see below), whose sum is σ = 37109764540800. Its totient is φ = 6024798185472.

The previous prime is 15323051102977. The next prime is 15323051103049. The reversal of 15323051103040 is 4030115032351.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15323051103049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262006282 + ... + 262064758.

It is an arithmetic number, because the mean of its divisors is an integer number (331337183400).

Almost surely, 2^{15323051103040} is an apocalyptic number.

15323051103040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15323051103040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18554882270400).

15323051103040 is an abundant number, since it is smaller than the sum of its proper divisors (21786713437760).

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

15323051103040 is a wasteful number, since it uses less digits than its factorization.

15323051103040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72432 (or 72422 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 15323051103040 its reverse (4030115032351), we get a palindrome (19353166135391).

The spelling of 15323051103040 in words is "fifteen trillion, three hundred twenty-three billion, fifty-one million, one hundred three thousand, forty".