11209141650 has 48 divisors (see below), whose sum is σ = 31769913024. Its totient is φ = 2562089280.

The previous prime is 11209141649. The next prime is 11209141679. The reversal of 11209141650 is 5614190211.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5336637 + ... + 5338736.

It is an arithmetic number, because the mean of its divisors is an integer number (661873188).

Almost surely, 2^11209141650 is an apocalyptic number.

11209141650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11209141650 is an abundant number, since it is smaller than the sum of its proper divisors (20560771374).

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

11209141650 is a wasteful number, since it uses less digits than its factorization.

11209141650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675395 (or 10675390 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 11209141650 in words is "eleven billion, two hundred nine million, one hundred forty-one thousand, six hundred fifty".