128143820150 has 12 divisors (see below), whose sum is σ = 238347505572. Its totient is φ = 51257528040.

The previous prime is 128143820137. The next prime is 128143820171. The reversal of 128143820150 is 51028341821.

It is a self number, because there is not a number n which added to its sum of digits gives 128143820150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1281438152 + ... + 1281438251.

It is an arithmetic number, because the mean of its divisors is an integer number (19862292131).

Almost surely, 2^128143820150 is an apocalyptic number.

128143820150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128143820150 is a deficient number, since it is larger than the sum of its proper divisors (110203685422).

128143820150 is a wasteful number, since it uses less digits than its factorization.

128143820150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562876415 (or 2562876410 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 128143820150 in words is "one hundred twenty-eight billion, one hundred forty-three million, eight hundred twenty thousand, one hundred fifty".