15530112112 has 10 divisors (see below), whose sum is σ = 30089592248. Its totient is φ = 7765056048.

The previous prime is 15530112109. The next prime is 15530112113. The reversal of 15530112112 is 21121103551.

It is a super-2 number, since 2×15530112112² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15530112113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485315988 + ... + 485316019.

Almost surely, 2^15530112112 is an apocalyptic number.

It is an amenable number.

15530112112 is a deficient number, since it is larger than the sum of its proper divisors (14559480136).

15530112112 is an equidigital number, since it uses as much as digits as its factorization.

15530112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970632015 (or 970632009 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 15530112112 its reverse (21121103551), we get a palindrome (36651215663).

The spelling of 15530112112 in words is "fifteen billion, five hundred thirty million, one hundred twelve thousand, one hundred twelve".