15530455004 has 12 divisors (see below), whose sum is σ = 27179380200. Its totient is φ = 7764917808.

The previous prime is 15530455001. The next prime is 15530455019. The reversal of 15530455004 is 40055403551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15530455001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64187 + ... + 187565.

It is an arithmetic number, because the mean of its divisors is an integer number (2264948350).

Almost surely, 2^15530455004 is an apocalyptic number.

It is an amenable number.

15530455004 is a deficient number, since it is larger than the sum of its proper divisors (11648925196).

15530455004 is a wasteful number, since it uses less digits than its factorization.

15530455004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154852 (or 154850 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 15530455004 its reverse (40055403551), we get a palindrome (55585858555).

The spelling of 15530455004 in words is "fifteen billion, five hundred thirty million, four hundred fifty-five thousand, four".