15381009538248 has 32 divisors (see below), whose sum is σ = 39692927842560. Its totient is φ = 4961615979840.

The previous prime is 15381009538189. The next prime is 15381009538253. The reversal of 15381009538248 is 84283590018351.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10336699215 + ... + 10336700702.

It is an arithmetic number, because the mean of its divisors is an integer number (1240403995080).

Almost surely, 2^{15381009538248} is an apocalyptic number.

It is an amenable number.

15381009538248 is an abundant number, since it is smaller than the sum of its proper divisors (24311918304312).

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

15381009538248 is a wasteful number, since it uses less digits than its factorization.

15381009538248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20673399957 (or 20673399953 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 15381009538248 in words is "fifteen trillion, three hundred eighty-one billion, nine million, five hundred thirty-eight thousand, two hundred forty-eight".