128066787514 has 16 divisors (see below), whose sum is σ = 209961490176. Its totient is φ = 58322635200.

The previous prime is 128066787487. The next prime is 128066787523. The reversal of 128066787514 is 415787660821.

128066787514 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×128066787514² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60751692 + ... + 60753799.

It is an arithmetic number, because the mean of its divisors is an integer number (13122593136).

Almost surely, 2^128066787514 is an apocalyptic number.

128066787514 is a deficient number, since it is larger than the sum of its proper divisors (81894702662).

128066787514 is a wasteful number, since it uses less digits than its factorization.

128066787514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121505541.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 128066787514 in words is "one hundred twenty-eight billion, sixty-six million, seven hundred eighty-seven thousand, five hundred fourteen".