128150775692 has 48 divisors (see below), whose sum is σ = 241297056000. Its totient is φ = 59365575360.

The previous prime is 128150775677. The next prime is 128150775737. The reversal of 128150775692 is 296577051821.

It is a super-2 number, since 2×128150775692² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201559 + ... + 1303857.

It is an arithmetic number, because the mean of its divisors is an integer number (5027022000).

Almost surely, 2^128150775692 is an apocalyptic number.

It is an amenable number.

128150775692 is a deficient number, since it is larger than the sum of its proper divisors (113146280308).

128150775692 is a wasteful number, since it uses less digits than its factorization.

128150775692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102686 (or 102684 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 128150775692 in words is "one hundred twenty-eight billion, one hundred fifty million, seven hundred seventy-five thousand, six hundred ninety-two".