131118798600 has 240 divisors, whose sum is σ = 479364296400. Its totient is φ = 33124671360.

The previous prime is 131118798599. The next prime is 131118798673. The reversal of 131118798600 is 6897811131.

131118798600 is a `hidden beast` number, since 1 + 31 + 1 + 1 + 8 + 7 + 9 + 8 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 94807 + ... + 520793.

It is an arithmetic number, because the mean of its divisors is an integer number (1997351235).

Almost surely, 2^131118798600 is an apocalyptic number.

131118798600 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 131118798600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239682148200).

131118798600 is an abundant number, since it is smaller than the sum of its proper divisors (348245497800).

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

131118798600 is a wasteful number, since it uses less digits than its factorization.

131118798600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426034 (or 426016 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The spelling of 131118798600 in words is "one hundred thirty-one billion, one hundred eighteen million, seven hundred ninety-eight thousand, six hundred".