128353268722 has 16 divisors (see below), whose sum is σ = 220038773760. Its totient is φ = 55007394048.

The previous prime is 128353268653. The next prime is 128353268749. The reversal of 128353268722 is 227862353821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245138 + ... + 1344274.

It is an arithmetic number, because the mean of its divisors is an integer number (13752423360).

Almost surely, 2^128353268722 is an apocalyptic number.

128353268722 is a deficient number, since it is larger than the sum of its proper divisors (91685505038).

128353268722 is an equidigital number, since it uses as much as digits as its factorization.

128353268722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191625.

The product of its digits is 1935360, while the sum is 49.

The spelling of 128353268722 in words is "one hundred twenty-eight billion, three hundred fifty-three million, two hundred sixty-eight thousand, seven hundred twenty-two".