128151495791 has 12 divisors (see below), whose sum is σ = 142255409352. Its totient is φ = 115347870000.

The previous prime is 128151495781. The next prime is 128151495793. The reversal of 128151495791 is 197594151821.

It is not a de Polignac number, because 128151495791 - 2¹⁸ = 128151233647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128151495793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5230865 + ... + 5255306.

It is an arithmetic number, because the mean of its divisors is an integer number (11854617446).

Almost surely, 2^128151495791 is an apocalyptic number.

128151495791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

128151495791 is a deficient number, since it is larger than the sum of its proper divisors (14103913561).

128151495791 is a wasteful number, since it uses less digits than its factorization.

128151495791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10486294 (or 10486283 counting only the distinct ones).

The product of its digits is 907200, while the sum is 53.

The spelling of 128151495791 in words is "one hundred twenty-eight billion, one hundred fifty-one million, four hundred ninety-five thousand, seven hundred ninety-one".