11809296950 has 24 divisors (see below), whose sum is σ = 23962138200. Its totient is φ = 4294289600.

The previous prime is 11809296937. The next prime is 11809296979. The reversal of 11809296950 is 5969290811.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

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, 10735175 + ... + 10736274.

It is an arithmetic number, because the mean of its divisors is an integer number (998422425).

Almost surely, 2^11809296950 is an apocalyptic number.

11809296950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11809296950 is an abundant number, since it is smaller than the sum of its proper divisors (12152841250).

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

11809296950 is a wasteful number, since it uses less digits than its factorization.

11809296950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21471472 (or 21471467 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 11809296950 in words is "eleven billion, eight hundred nine million, two hundred ninety-six thousand, nine hundred fifty".