15354880820 has 48 divisors (see below), whose sum is σ = 32687558400. Its totient is φ = 6057866880.

The previous prime is 15354880787. The next prime is 15354880829. The reversal of 15354880820 is 2808845351.

15354880820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15354880829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1684475 + ... + 1693565.

It is an arithmetic number, because the mean of its divisors is an integer number (680990800).

Almost surely, 2^15354880820 is an apocalyptic number.

15354880820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15354880820 is an abundant number, since it is smaller than the sum of its proper divisors (17332677580).

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

15354880820 is a wasteful number, since it uses less digits than its factorization.

15354880820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10248 (or 10246 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 15354880820 in words is "fifteen billion, three hundred fifty-four million, eight hundred eighty thousand, eight hundred twenty".