113200781526 has 128 divisors (see below), whose sum is σ = 292626432000. Its totient is φ = 31766673312.

The previous prime is 113200781513. The next prime is 113200781527. The reversal of 113200781526 is 625187002311.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113200781527) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49933045 + ... + 49935311.

It is an arithmetic number, because the mean of its divisors is an integer number (2286144000).

Almost surely, 2^113200781526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113200781526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146313216000).

113200781526 is an abundant number, since it is smaller than the sum of its proper divisors (179425650474).

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

113200781526 is a wasteful number, since it uses less digits than its factorization.

113200781526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583 (or 4577 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

Adding to 113200781526 its reverse (625187002311), we get a palindrome (738387783837).

The spelling of 113200781526 in words is "one hundred thirteen billion, two hundred million, seven hundred eighty-one thousand, five hundred twenty-six".