15530500012 has 12 divisors (see below), whose sum is σ = 27182358280. Its totient is φ = 7764111936.

The previous prime is 15530499947. The next prime is 15530500019. The reversal of 15530500012 is 21000503551.

It is not an unprimeable number, because it can be changed into a prime (15530500019) 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, 253437 + ... + 308692.

Almost surely, 2^15530500012 is an apocalyptic number.

It is an amenable number.

15530500012 is a deficient number, since it is larger than the sum of its proper divisors (11651858268).

15530500012 is a wasteful number, since it uses less digits than its factorization.

15530500012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569040 (or 569038 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 15530500012 in words is "fifteen billion, five hundred thirty million, five hundred thousand, twelve".