15113542540 has 24 divisors (see below), whose sum is σ = 32337280080. Its totient is φ = 5931352128.

The previous prime is 15113542529. The next prime is 15113542541. The reversal of 15113542540 is 4524531151.

15113542540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15113542541) 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 7 ways as a sum of consecutive naturals, for example, 7127970 + ... + 7130089.

It is an arithmetic number, because the mean of its divisors is an integer number (1347386670).

Almost surely, 2^15113542540 is an apocalyptic number.

15113542540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15113542540 is an abundant number, since it is smaller than the sum of its proper divisors (17223737540).

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

15113542540 is a wasteful number, since it uses less digits than its factorization.

15113542540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14258121 (or 14258119 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 15113542540 in words is "fifteen billion, one hundred thirteen million, five hundred forty-two thousand, five hundred forty".