15506100006 has 32 divisors (see below), whose sum is σ = 31403369088. Its totient is φ = 5103575040.

The previous prime is 15506099989. The next prime is 15506100007. The reversal of 15506100006 is 60000160551.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15506100007) 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, 1001766 + ... + 1017126.

It is an arithmetic number, because the mean of its divisors is an integer number (981355284).

Almost surely, 2^15506100006 is an apocalyptic number.

15506100006 is an abundant number, since it is smaller than the sum of its proper divisors (15897269082).

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

15506100006 is a wasteful number, since it uses less digits than its factorization.

15506100006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17476.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 15506100006 its reverse (60000160551), we get a palindrome (75506260557).

The spelling of 15506100006 in words is "fifteen billion, five hundred six million, one hundred thousand, six".