11005557050 has 24 divisors (see below), whose sum is σ = 20473196700. Its totient is φ = 4401607680.

The previous prime is 11005557037. The next prime is 11005557067. The reversal of 11005557050 is 5075550011.

It can be written as a sum of positive squares in 6 ways, for example, as 483516121 + 10522040929 = 21989^2 + 102577^2 .

It is a super-2 number, since 2×11005557050² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556736 + ... + 576164.

Almost surely, 2^11005557050 is an apocalyptic number.

11005557050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11005557050 is a deficient number, since it is larger than the sum of its proper divisors (9467639650).

11005557050 is a wasteful number, since it uses less digits than its factorization.

11005557050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30770 (or 30765 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 29.

The spelling of 11005557050 in words is "eleven billion, five million, five hundred fifty-seven thousand, fifty".