15483814512 has 20 divisors (see below), whose sum is σ = 39999854280. Its totient is φ = 5161271488.

The previous prime is 15483814483. The next prime is 15483814517. The reversal of 15483814512 is 21541838451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15483814517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161289687 + ... + 161289782.

It is an arithmetic number, because the mean of its divisors is an integer number (1999992714).

Almost surely, 2^15483814512 is an apocalyptic number.

15483814512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15483814512 is an abundant number, since it is smaller than the sum of its proper divisors (24516039768).

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

15483814512 is a wasteful number, since it uses less digits than its factorization.

15483814512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322579480 (or 322579474 counting only the distinct ones).

The product of its digits is 153600, while the sum is 42.

The spelling of 15483814512 in words is "fifteen billion, four hundred eighty-three million, eight hundred fourteen thousand, five hundred twelve".