1500128112850 has 48 divisors (see below), whose sum is σ = 2866450908168. Its totient is φ = 583670499840.

The previous prime is 1500128112829. The next prime is 1500128112853. The reversal of 1500128112850 is 582118210051.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 387290894929 + 1112837217921 = 622327^2 + 1054911^2 .

It is not an unprimeable number, because it can be changed into a prime (1500128112853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6616974 + ... + 6839926.

Almost surely, 2^{1500128112850} is an apocalyptic number.

1500128112850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1500128112850 is a deficient number, since it is larger than the sum of its proper divisors (1366322795318).

1500128112850 is a wasteful number, since it uses less digits than its factorization.

1500128112850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226639 (or 226634 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 34.

The spelling of 1500128112850 in words is "one trillion, five hundred billion, one hundred twenty-eight million, one hundred twelve thousand, eight hundred fifty".