11005550050 has 48 divisors (see below), whose sum is σ = 22875973344. Its totient is φ = 3904400000.

The previous prime is 11005549969. The next prime is 11005550051. The reversal of 11005550050 is 5005550011.

It is a super-2 number, since 2×11005550050² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11005550051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221476 + ... + 266575.

It is an arithmetic number, because the mean of its divisors is an integer number (476582778).

Almost surely, 2^11005550050 is an apocalyptic number.

11005550050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11005550050 is an abundant number, since it is smaller than the sum of its proper divisors (11870423294).

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

11005550050 is a wasteful number, since it uses less digits than its factorization.

11005550050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488115 (or 488110 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

The spelling of 11005550050 in words is "eleven billion, five million, five hundred fifty thousand, fifty".