15505650006 has 32 divisors (see below), whose sum is σ = 38663440128. Its totient is φ = 4027441440.

The previous prime is 15505650001. The next prime is 15505650073. The reversal of 15505650006 is 60005650551.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15505650001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16780545 + ... + 16781468.

It is an arithmetic number, because the mean of its divisors is an integer number (1208232504).

Almost surely, 2^15505650006 is an apocalyptic number.

15505650006 is an abundant number, since it is smaller than the sum of its proper divisors (23157790122).

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

15505650006 is a wasteful number, since it uses less digits than its factorization.

15505650006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33562036.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 15505650006 in words is "fifteen billion, five hundred five million, six hundred fifty thousand, six".