11010605550 has 96 divisors (see below), whose sum is σ = 31293330432. Its totient is φ = 2509764480.

The previous prime is 11010605539. The next prime is 11010605561. The reversal of 11010605550 is 5550601011.

It is an interprime number because it is at equal distance from previous prime (11010605539) and next prime (11010605561).

It is a self number, because there is not a number n which added to its sum of digits gives 11010605550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371064 + ... + 399636.

It is an arithmetic number, because the mean of its divisors is an integer number (325972192).

Almost surely, 2^11010605550 is an apocalyptic number.

11010605550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11010605550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15646665216).

11010605550 is an abundant number, since it is smaller than the sum of its proper divisors (20282724882).

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

11010605550 is a wasteful number, since it uses less digits than its factorization.

11010605550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28962 (or 28957 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 11010605550 in words is "eleven billion, ten million, six hundred five thousand, five hundred fifty".