128110308552 has 96 divisors (see below), whose sum is σ = 356449275000. Its totient is φ = 41542179840.

The previous prime is 128110308533. The next prime is 128110308559. The reversal of 128110308552 is 255803011821.

128110308552 is a `hidden beast` number, since 12 + 81 + 10 + 3 + 0 + 8 + 552 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 118153062756 + 9957245796 = 343734^2 + 99786^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (128110308559) 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, 968074 + ... + 1092422.

Almost surely, 2^128110308552 is an apocalyptic number.

128110308552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128110308552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178224637500).

128110308552 is an abundant number, since it is smaller than the sum of its proper divisors (228338966448).

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

128110308552 is a wasteful number, since it uses less digits than its factorization.

128110308552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124751 (or 124744 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 128110308552 in words is "one hundred twenty-eight billion, one hundred ten million, three hundred eight thousand, five hundred fifty-two".