11199999950 has 24 divisors (see below), whose sum is σ = 20865820752. Its totient is φ = 4472726720.

The previous prime is 11199999919. The next prime is 11199999953. The reversal of 11199999950 is 5999999111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11199999953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150674 + ... + 212373.

It is an arithmetic number, because the mean of its divisors is an integer number (869409198).

Almost surely, 2^11199999950 is an apocalyptic number.

11199999950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11199999950 is a deficient number, since it is larger than the sum of its proper divisors (9665820802).

11199999950 is a wasteful number, since it uses less digits than its factorization.

11199999950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363676 (or 363671 counting only the distinct ones).

The product of its (nonzero) digits is 2657205, while the sum is 62.

The spelling of 11199999950 in words is "eleven billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty".