11000155065500 has 96 divisors (see below), whose sum is σ = 24084283711488. Its totient is φ = 4389095592000.

The previous prime is 11000155065481. The next prime is 11000155065569. The reversal of 11000155065500 is 556055100011.

It is a happy number.

It is a super-2 number, since 2×11000155065500² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373593779 + ... + 373623221.

It is an arithmetic number, because the mean of its divisors is an integer number (250877955328).

Almost surely, 2^{11000155065500} is an apocalyptic number.

11000155065500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11000155065500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12042141855744).

11000155065500 is an abundant number, since it is smaller than the sum of its proper divisors (13084128645988).

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

11000155065500 is a wasteful number, since it uses less digits than its factorization.

11000155065500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31300 (or 31288 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 11000155065500 in words is "eleven trillion, one hundred fifty-five million, sixty-five thousand, five hundred".