15120030672 has 160 divisors (see below), whose sum is σ = 47260368000. Its totient is φ = 4610027520.

The previous prime is 15120030589. The next prime is 15120030677. The reversal of 15120030672 is 27603002151.

It is a happy number.

15120030672 is a `hidden beast` number, since 151 + 200 + 306 + 7 + 2 = 666.

15120030672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15120030677) 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 31 ways as a sum of consecutive naturals, for example, 206272 + ... + 269792.

It is an arithmetic number, because the mean of its divisors is an integer number (295377300).

Almost surely, 2^15120030672 is an apocalyptic number.

15120030672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15120030672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23630184000).

15120030672 is an abundant number, since it is smaller than the sum of its proper divisors (32140337328).

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

15120030672 is a wasteful number, since it uses less digits than its factorization.

15120030672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63586 (or 63574 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The spelling of 15120030672 in words is "fifteen billion, one hundred twenty million, thirty thousand, six hundred seventy-two".