110128681272 has 32 divisors (see below), whose sum is σ = 275572746000. Its totient is φ = 36676088064.

The previous prime is 110128681261. The next prime is 110128681301. The reversal of 110128681272 is 272186821011.

It is a self number, because there is not a number n which added to its sum of digits gives 110128681272.

It is a congruent number.

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, 2065147 + ... + 2117802.

Almost surely, 2^110128681272 is an apocalyptic number.

110128681272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

110128681272 is an abundant number, since it is smaller than the sum of its proper divisors (165444064728).

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

110128681272 is a wasteful number, since it uses less digits than its factorization.

110128681272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184055 (or 4184051 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 39.

The spelling of 110128681272 in words is "one hundred ten billion, one hundred twenty-eight million, six hundred eighty-one thousand, two hundred seventy-two".