113743772856 has 512 divisors, whose sum is σ = 397571328000. Its totient is φ = 29378764800.

The previous prime is 113743772837. The next prime is 113743772861. The reversal of 113743772856 is 658277347311.

113743772856 is a `hidden beast` number, since 1 + 137 + 437 + 7 + 28 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 246732466 + ... + 246732926.

It is an arithmetic number, because the mean of its divisors is an integer number (776506500).

Almost surely, 2^113743772856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113743772856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198785664000).

113743772856 is an abundant number, since it is smaller than the sum of its proper divisors (283827555144).

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

113743772856 is a wasteful number, since it uses less digits than its factorization.

113743772856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 850 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The spelling of 113743772856 in words is "one hundred thirteen billion, seven hundred forty-three million, seven hundred seventy-two thousand, eight hundred fifty-six".