11050643500 has 48 divisors (see below), whose sum is σ = 25991128800. Its totient is φ = 4080235200.

The previous prime is 11050643497. The next prime is 11050643519. The reversal of 11050643500 is 534605011.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843550 + ... + 856549.

It is an arithmetic number, because the mean of its divisors is an integer number (541481850).

Almost surely, 2^11050643500 is an apocalyptic number.

11050643500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11050643500 is an abundant number, since it is smaller than the sum of its proper divisors (14940485300).

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

11050643500 is a wasteful number, since it uses less digits than its factorization.

11050643500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700131 (or 1700119 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 11050643500 in words is "eleven billion, fifty million, six hundred forty-three thousand, five hundred".