113405032530 has 80 divisors (see below), whose sum is σ = 304993764504. Its totient is φ = 30235368960.

The previous prime is 113405032529. The next prime is 113405032553. The reversal of 113405032530 is 35230504311.

113405032530 is a `hidden beast` number, since 1 + 1 + 3 + 405 + 0 + 3 + 253 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 59834541321 + 53570491209 = 244611^2 + 231453^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 113405032494 and 113405032503.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5394640 + ... + 5415620.

Almost surely, 2^113405032530 is an apocalyptic number.

113405032530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113405032530 is an abundant number, since it is smaller than the sum of its proper divisors (191588731974).

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

113405032530 is a wasteful number, since it uses less digits than its factorization.

113405032530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27673 (or 27664 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 113405032530 its reverse (35230504311), we get a palindrome (148635536841).

The spelling of 113405032530 in words is "one hundred thirteen billion, four hundred five million, thirty-two thousand, five hundred thirty".