13853111950 has 24 divisors (see below), whose sum is σ = 25810738632. Its totient is φ = 5531793120.

The previous prime is 13853111917. The next prime is 13853111953. The reversal of 13853111950 is 5911135831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13853111953) 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, 206649 + ... + 265348.

It is an arithmetic number, because the mean of its divisors is an integer number (1075447443).

Almost surely, 2^13853111950 is an apocalyptic number.

13853111950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13853111950 is a deficient number, since it is larger than the sum of its proper divisors (11957626682).

13853111950 is a wasteful number, since it uses less digits than its factorization.

13853111950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472596 (or 472591 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 37.

The spelling of 13853111950 in words is "thirteen billion, eight hundred fifty-three million, one hundred eleven thousand, nine hundred fifty".