11298451328 has 64 divisors (see below), whose sum is σ = 23867485920. Its totient is φ = 5309153280.

The previous prime is 11298451319. The next prime is 11298451337. The reversal of 11298451328 is 82315489211.

It is an interprime number because it is at equal distance from previous prime (11298451319) and next prime (11298451337).

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×11298451328² (a number of 21 digits) contains 22 as substring.

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, 1652525 + ... + 1659347.

Almost surely, 2^11298451328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11298451328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11933742960).

11298451328 is an abundant number, since it is smaller than the sum of its proper divisors (12569034592).

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

11298451328 is an equidigital number, since it uses as much as digits as its factorization.

11298451328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615 (or 7603 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The spelling of 11298451328 in words is "eleven billion, two hundred ninety-eight million, four hundred fifty-one thousand, three hundred twenty-eight".