15005532150 has 288 divisors, whose sum is σ = 50635152000. Its totient is φ = 3249046080.

The previous prime is 15005532121. The next prime is 15005532161. The reversal of 15005532150 is 5123550051.

15005532150 is a `hidden beast` number, since 1 + 500 + 5 + 5 + 3 + 2 + 150 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1250881 + ... + 1262819.

It is an arithmetic number, because the mean of its divisors is an integer number (175816500).

Almost surely, 2^15005532150 is an apocalyptic number.

15005532150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15005532150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25317576000).

15005532150 is an abundant number, since it is smaller than the sum of its proper divisors (35629619850).

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

15005532150 is a wasteful number, since it uses less digits than its factorization.

15005532150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11993 (or 11975 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 15005532150 in words is "fifteen billion, five million, five hundred thirty-two thousand, one hundred fifty".