15105660050 has 48 divisors (see below), whose sum is σ = 30672385800. Its totient is φ = 5501053440.

The previous prime is 15105660001. The next prime is 15105660107. The reversal of 15105660050 is 5006650151.

It can be written as a sum of positive squares in 12 ways, for example, as 1512198769 + 13593461281 = 38887^2 + 116591^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15105659995 and 15105660022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111725 + ... + 206624.

Almost surely, 2^15105660050 is an apocalyptic number.

15105660050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15105660050 is an abundant number, since it is smaller than the sum of its proper divisors (15566725750).

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

15105660050 is a wasteful number, since it uses less digits than its factorization.

15105660050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318447 (or 318442 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 15105660050 in words is "fifteen billion, one hundred five million, six hundred sixty thousand, fifty".