11297482128 has 80 divisors (see below), whose sum is σ = 32828404800. Its totient is φ = 3765815712.

The previous prime is 11297482081. The next prime is 11297482129. The reversal of 11297482128 is 82128479211.

It is not an unprimeable number, because it can be changed into a prime (11297482129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126438 + ... + 196421.

It is an arithmetic number, because the mean of its divisors is an integer number (410355060).

Almost surely, 2^11297482128 is an apocalyptic number.

11297482128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11297482128 is an abundant number, since it is smaller than the sum of its proper divisors (21530922672).

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

11297482128 is an frugal number, since it uses more digits than its factorization.

11297482128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322888 (or 322864 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The spelling of 11297482128 in words is "eleven billion, two hundred ninety-seven million, four hundred eighty-two thousand, one hundred twenty-eight".