113261535534 has 64 divisors (see below), whose sum is σ = 266324954112. Its totient is φ = 31433184000.

The previous prime is 113261535503. The next prime is 113261535553. The reversal of 113261535534 is 435535162311.

It is a junction number, because it is equal to n+sod(n) for n = 113261535492 and 113261535501.

It is a congruent 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, 873319 + ... + 994589.

It is an arithmetic number, because the mean of its divisors is an integer number (4161327408).

Almost surely, 2^113261535534 is an apocalyptic number.

113261535534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113261535534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133162477056).

113261535534 is an abundant number, since it is smaller than the sum of its proper divisors (153063418578).

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

113261535534 is a wasteful number, since it uses less digits than its factorization.

113261535534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121921.

The product of its digits is 162000, while the sum is 39.

Adding to 113261535534 its reverse (435535162311), we get a palindrome (548796697845).

The spelling of 113261535534 in words is "one hundred thirteen billion, two hundred sixty-one million, five hundred thirty-five thousand, five hundred thirty-four".