11120520500660 has 24 divisors (see below), whose sum is σ = 23374150891560. Its totient is φ = 4444197183104.

The previous prime is 11120520500633. The next prime is 11120520500693. The reversal of 11120520500660 is 6600502502111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 309129328036 + 10811391172624 = 555994^2 + 3288068^2 .

It is a congruent number.

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, 250665839 + ... + 250710198.

It is an arithmetic number, because the mean of its divisors is an integer number (973922953815).

Almost surely, 2^{11120520500660} is an apocalyptic number.

11120520500660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120520500660 is an abundant number, since it is smaller than the sum of its proper divisors (12253630390900).

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

11120520500660 is a wasteful number, since it uses less digits than its factorization.

11120520500660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501377155 (or 501377153 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 11120520500660 in words is "eleven trillion, one hundred twenty billion, five hundred twenty million, five hundred thousand, six hundred sixty".