13154251543220 has 48 divisors (see below), whose sum is σ = 28849377045888. Its totient is φ = 5028669233280.

The previous prime is 13154251543201. The next prime is 13154251543247. The reversal of 13154251543220 is 2234515245131.

It is a congruent number.

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, 11563514 + ... + 12650033.

It is an arithmetic number, because the mean of its divisors is an integer number (601028688456).

Almost surely, 2^{13154251543220} is an apocalyptic number.

13154251543220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13154251543220 is an abundant number, since it is smaller than the sum of its proper divisors (15695125502668).

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

13154251543220 is a wasteful number, since it uses less digits than its factorization.

13154251543220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24214760 (or 24214758 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 13154251543220 its reverse (2234515245131), we get a palindrome (15388766788351).

The spelling of 13154251543220 in words is "thirteen trillion, one hundred fifty-four billion, two hundred fifty-one million, five hundred forty-three thousand, two hundred twenty".