11302319988 has 96 divisors (see below), whose sum is σ = 30355248000. Its totient is φ = 3632428800.

The previous prime is 11302319957. The next prime is 11302319989. The reversal of 11302319988 is 88991320311.

It is a super-2 number, since 2×11302319988² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11302319989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2688288 + ... + 2692488.

It is an arithmetic number, because the mean of its divisors is an integer number (316200500).

Almost surely, 2^11302319988 is an apocalyptic number.

11302319988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11302319988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15177624000).

11302319988 is an abundant number, since it is smaller than the sum of its proper divisors (19052928012).

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

11302319988 is a wasteful number, since it uses less digits than its factorization.

11302319988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102 (or 5094 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 11302319988 in words is "eleven billion, three hundred two million, three hundred nineteen thousand, nine hundred eighty-eight".