128550365032 has 16 divisors (see below), whose sum is σ = 249343380900. Its totient is φ = 62058796800.

The previous prime is 128550365017. The next prime is 128550365033. The reversal of 128550365032 is 230563055821.

It can be written as a sum of positive squares in 2 ways, for example, as 128388922596 + 161442436 = 358314^2 + 12706^2 .

It is a super-2 number, since 2×128550365032² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128550365033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277047969 + ... + 277048432.

Almost surely, 2^128550365032 is an apocalyptic number.

It is an amenable number.

128550365032 is a deficient number, since it is larger than the sum of its proper divisors (120793015868).

128550365032 is a wasteful number, since it uses less digits than its factorization.

128550365032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554096436 (or 554096432 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 128550365032 in words is "one hundred twenty-eight billion, five hundred fifty million, three hundred sixty-five thousand, thirty-two".