113159796540 has 192 divisors, whose sum is σ = 386434105344. Its totient is φ = 24151744512.

The previous prime is 113159796479. The next prime is 113159796551. The reversal of 113159796540 is 45697951311.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 844384 + ... + 969176.

It is an arithmetic number, because the mean of its divisors is an integer number (2012677632).

Almost surely, 2^113159796540 is an apocalyptic number.

113159796540 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 113159796540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193217052672).

113159796540 is an abundant number, since it is smaller than the sum of its proper divisors (273274308804).

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

113159796540 is a wasteful number, since it uses less digits than its factorization.

113159796540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124956 (or 124954 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 51.

The spelling of 113159796540 in words is "one hundred thirteen billion, one hundred fifty-nine million, seven hundred ninety-six thousand, five hundred forty".