128495255754 has 16 divisors (see below), whose sum is σ = 257017016160. Its totient is φ = 42827334480.

The previous prime is 128495255737. The next prime is 128495255761. The reversal of 128495255754 is 457552594821.

It is a super-2 number, since 2×128495255754² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128495255694 and 128495255703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041057 + ... + 1157924.

It is an arithmetic number, because the mean of its divisors is an integer number (16063563510).

Almost surely, 2^128495255754 is an apocalyptic number.

128495255754 is an abundant number, since it is smaller than the sum of its proper divisors (128521760406).

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

128495255754 is a wasteful number, since it uses less digits than its factorization.

128495255754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208725.

The product of its digits is 20160000, while the sum is 57.

The spelling of 128495255754 in words is "one hundred twenty-eight billion, four hundred ninety-five million, two hundred fifty-five thousand, seven hundred fifty-four".