11522555320 has 32 divisors (see below), whose sum is σ = 27290264400. Its totient is φ = 4366441728.

The previous prime is 11522555293. The next prime is 11522555321. The reversal of 11522555320 is 2355522511.

It is a super-2 number, since 2×11522555320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522555321) 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 7 ways as a sum of consecutive naturals, for example, 7579869 + ... + 7581388.

Almost surely, 2^11522555320 is an apocalyptic number.

11522555320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11522555320 is an abundant number, since it is smaller than the sum of its proper divisors (15767709080).

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

11522555320 is a wasteful number, since it uses less digits than its factorization.

11522555320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15161287 (or 15161283 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 11522555320 in words is "eleven billion, five hundred twenty-two million, five hundred fifty-five thousand, three hundred twenty".