15455320412 has 12 divisors (see below), whose sum is σ = 30910640880. Its totient is φ = 6623708736.

The previous prime is 15455320409. The next prime is 15455320417. The reversal of 15455320412 is 21402355451.

15455320412 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15455320417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275987837 + ... + 275987892.

It is an arithmetic number, because the mean of its divisors is an integer number (2575886740).

Almost surely, 2^15455320412 is an apocalyptic number.

It is an amenable number.

15455320412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15455320412 is a wasteful number, since it uses less digits than its factorization.

15455320412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551975740 (or 551975738 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 15455320412 its reverse (21402355451), we get a palindrome (36857675863).

The spelling of 15455320412 in words is "fifteen billion, four hundred fifty-five million, three hundred twenty thousand, four hundred twelve".