113204205450 has 192 divisors, whose sum is σ = 356967152640. Its totient is φ = 25841592000.

The previous prime is 113204205449. The next prime is 113204205451. The reversal of 113204205450 is 54502402311.

113204205450 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 0 + 4 + 205 + 450 = 666.

It is an interprime number because it is at equal distance from previous prime (113204205449) and next prime (113204205451).

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113204205451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7656565 + ... + 7671335.

It is an arithmetic number, because the mean of its divisors is an integer number (1859203920).

Almost surely, 2^113204205450 is an apocalyptic number.

113204205450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113204205450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178483576320).

113204205450 is an abundant number, since it is smaller than the sum of its proper divisors (243762947190).

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

113204205450 is a wasteful number, since it uses less digits than its factorization.

113204205450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15610 (or 15599 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 113204205450 its reverse (54502402311), we get a palindrome (167706607761).

The spelling of 113204205450 in words is "one hundred thirteen billion, two hundred four million, two hundred five thousand, four hundred fifty".