11731050120 has 128 divisors (see below), whose sum is σ = 35516880000. Its totient is φ = 3099617280.

The previous prime is 11731050119. The next prime is 11731050137. The reversal of 11731050120 is 2105013711.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14464515 + ... + 14465325.

It is an arithmetic number, because the mean of its divisors is an integer number (277475625).

Almost surely, 2^11731050120 is an apocalyptic number.

11731050120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11731050120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17758440000).

11731050120 is an abundant number, since it is smaller than the sum of its proper divisors (23785829880).

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

11731050120 is a wasteful number, since it uses less digits than its factorization.

11731050120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 21.

Adding to 11731050120 its reverse (2105013711), we get a palindrome (13836063831).

The spelling of 11731050120 in words is "eleven billion, seven hundred thirty-one million, fifty thousand, one hundred twenty".