113400131552 has 96 divisors (see below), whose sum is σ = 229262140800. Its totient is φ = 55196563968.

The previous prime is 113400131539. The next prime is 113400131587. The reversal of 113400131552 is 255131004311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103750718 + ... + 103751810.

It is an arithmetic number, because the mean of its divisors is an integer number (2388147300).

Almost surely, 2^113400131552 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 113400131552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114631070400).

113400131552 is an abundant number, since it is smaller than the sum of its proper divisors (115862009248).

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

113400131552 is a wasteful number, since it uses less digits than its factorization.

113400131552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 113400131552 its reverse (255131004311), we get a palindrome (368531135863).

The spelling of 113400131552 in words is "one hundred thirteen billion, four hundred million, one hundred thirty-one thousand, five hundred fifty-two".