15385432052 has 24 divisors (see below), whose sum is σ = 27121946880. Its totient is φ = 7636511520.

The previous prime is 15385432043. The next prime is 15385432099. The reversal of 15385432052 is 25023458351.

It is a junction number, because it is equal to n+sod(n) for n = 15385431997 and 15385432015.

It is a congruent number.

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, 274649 + ... + 325887.

It is an arithmetic number, because the mean of its divisors is an integer number (1130081120).

Almost surely, 2^15385432052 is an apocalyptic number.

It is an amenable number.

15385432052 is a deficient number, since it is larger than the sum of its proper divisors (11736514828).

15385432052 is a wasteful number, since it uses less digits than its factorization.

15385432052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51791 (or 51789 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 15385432052 in words is "fifteen billion, three hundred eighty-five million, four hundred thirty-two thousand, fifty-two".