15215342004 has 36 divisors (see below), whose sum is σ = 39701683840. Its totient is φ = 4908174480.

The previous prime is 15215341997. The next prime is 15215342047. The reversal of 15215342004 is 40024351251.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6815794 + ... + 6818025.

Almost surely, 2^15215342004 is an apocalyptic number.

It is an amenable number.

15215342004 is an abundant number, since it is smaller than the sum of its proper divisors (24486341836).

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

15215342004 is a wasteful number, since it uses less digits than its factorization.

15215342004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13633860 (or 13633855 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 15215342004 its reverse (40024351251), we get a palindrome (55239693255).

The spelling of 15215342004 in words is "fifteen billion, two hundred fifteen million, three hundred forty-two thousand, four".