11322001355520 has 72 divisors (see below), whose sum is σ = 36159641841456. Its totient is φ = 3019200360448.

The previous prime is 11322001355501. The next prime is 11322001355573. The reversal of 11322001355520 is 2555310022311.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1474215087 + ... + 1474222766.

It is an arithmetic number, because the mean of its divisors is an integer number (502217247798).

Almost surely, 2^{11322001355520} is an apocalyptic number.

11322001355520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11322001355520 is an abundant number, since it is smaller than the sum of its proper divisors (24837640485936).

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

11322001355520 is an equidigital number, since it uses as much as digits as its factorization.

11322001355520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948437877 (or 2948437863 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 11322001355520 its reverse (2555310022311), we get a palindrome (13877311377831).

The spelling of 11322001355520 in words is "eleven trillion, three hundred twenty-two billion, one million, three hundred fifty-five thousand, five hundred twenty".