15505550204 has 6 divisors (see below), whose sum is σ = 27134712864. Its totient is φ = 7752775100.

The previous prime is 15505550197. The next prime is 15505550231. The reversal of 15505550204 is 40205550551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1938193772 + ... + 1938193779.

It is an arithmetic number, because the mean of its divisors is an integer number (4522452144).

Almost surely, 2^15505550204 is an apocalyptic number.

It is an amenable number.

15505550204 is a deficient number, since it is larger than the sum of its proper divisors (11629162660).

15505550204 is a wasteful number, since it uses less digits than its factorization.

15505550204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876387555 (or 3876387553 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The spelling of 15505550204 in words is "fifteen billion, five hundred five million, five hundred fifty thousand, two hundred four".