11100003620 has 24 divisors (see below), whose sum is σ = 23458485624. Its totient is φ = 4411719936.

The previous prime is 11100003587. The next prime is 11100003641. The reversal of 11100003620 is 2630000111.

It can be written as a sum of positive squares in 4 ways, for example, as 1752594496 + 9347409124 = 41864^2 + 96682^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11100003595 and 11100003604.

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, 1764377 + ... + 1770656.

It is an arithmetic number, because the mean of its divisors is an integer number (977436901).

Almost surely, 2^11100003620 is an apocalyptic number.

11100003620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100003620 is an abundant number, since it is smaller than the sum of its proper divisors (12358482004).

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

11100003620 is a wasteful number, since it uses less digits than its factorization.

11100003620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535199 (or 3535197 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11100003620 its reverse (2630000111), we get a palindrome (13730003731).

The spelling of 11100003620 in words is "eleven billion, one hundred million, three thousand, six hundred twenty".