128695768048 has 40 divisors (see below), whose sum is σ = 260256878208. Its totient is φ = 61534156992.

The previous prime is 128695768039. The next prime is 128695768051. The reversal of 128695768048 is 840867596821.

It is a happy number.

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, 1438515 + ... + 1525357.

Almost surely, 2^128695768048 is an apocalyptic number.

It is an amenable number.

128695768048 is an abundant number, since it is smaller than the sum of its proper divisors (131561110160).

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

128695768048 is a wasteful number, since it uses less digits than its factorization.

128695768048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90901 (or 90895 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 128695768048 in words is "one hundred twenty-eight billion, six hundred ninety-five million, seven hundred sixty-eight thousand, forty-eight".