128749876091160 has 64 divisors (see below), whose sum is σ = 387507770496000. Its totient is φ = 34221465426816.

The previous prime is 128749876091159. The next prime is 128749876091197. The reversal of 128749876091160 is 61190678947821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1747382760 + ... + 1747456439.

It is an arithmetic number, because the mean of its divisors is an integer number (6054808914000).

Almost surely, 2^{128749876091160} is an apocalyptic number.

128749876091160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128749876091160 is an abundant number, since it is smaller than the sum of its proper divisors (258757894404840).

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

128749876091160 is a wasteful number, since it uses less digits than its factorization.

128749876091160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494839520 (or 3494839516 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 69.

The spelling of 128749876091160 in words is "one hundred twenty-eight trillion, seven hundred forty-nine billion, eight hundred seventy-six million, ninety-one thousand, one hundred sixty".