11315490568220 has 24 divisors (see below), whose sum is σ = 23765547222144. Its totient is φ = 4525621555136.

The previous prime is 11315490568201. The next prime is 11315490568223. The reversal of 11315490568220 is 2286509451311.

11315490568220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315490568223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35755532 + ... + 36070611.

It is an arithmetic number, because the mean of its divisors is an integer number (990231134256).

Almost surely, 2^{11315490568220} is an apocalyptic number.

11315490568220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11315490568220 is an abundant number, since it is smaller than the sum of its proper divisors (12450056653924).

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

11315490568220 is a wasteful number, since it uses less digits than its factorization.

11315490568220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71834029 (or 71834027 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 11315490568220 in words is "eleven trillion, three hundred fifteen billion, four hundred ninety million, five hundred sixty-eight thousand, two hundred twenty".