11320021053250 has 128 divisors (see below), whose sum is σ = 27454031055360. Its totient is φ = 3394042041600.

The previous prime is 11320021053241. The next prime is 11320021053259. The reversal of 11320021053250 is 5235012002311.

It is an interprime number because it is at equal distance from previous prime (11320021053241) and next prime (11320021053259).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (11320021053259) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 12662049 + ... + 13526548.

It is an arithmetic number, because the mean of its divisors is an integer number (214484617620).

Almost surely, 2^{11320021053250} is an apocalyptic number.

11320021053250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11320021053250 is an abundant number, since it is smaller than the sum of its proper divisors (16134010002110).

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

11320021053250 is a wasteful number, since it uses less digits than its factorization.

11320021053250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26188653 (or 26188643 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 11320021053250 its reverse (5235012002311), we get a palindrome (16555033055561).

The spelling of 11320021053250 in words is "eleven trillion, three hundred twenty billion, twenty-one million, fifty-three thousand, two hundred fifty".