150105221550 has 96 divisors (see below), whose sum is σ = 419449224960. Its totient is φ = 39464258400.

The previous prime is 150105221543. The next prime is 150105221611. The reversal of 150105221550 is 55122501051.

150105221550 is a `hidden beast` number, since 1 + 5 + 0 + 105 + 2 + 2 + 1 + 550 = 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 47 ways as a sum of consecutive naturals, for example, 687172 + ... + 878871.

It is an arithmetic number, because the mean of its divisors is an integer number (4369262760).

Almost surely, 2^150105221550 is an apocalyptic number.

150105221550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150105221550 is an abundant number, since it is smaller than the sum of its proper divisors (269344003410).

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

150105221550 is a wasteful number, since it uses less digits than its factorization.

150105221550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566135 (or 1566124 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 150105221550 in words is "one hundred fifty billion, one hundred five million, two hundred twenty-one thousand, five hundred fifty".