113213115144 has 48 divisors (see below), whose sum is σ = 308312915820. Its totient is φ = 37529205120.

The previous prime is 113213115089. The next prime is 113213115157. The reversal of 113213115144 is 441511312311.

113213115144 is a `hidden beast` number, since 1 + 13 + 2 + 131 + 1 + 514 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 113004890244 + 208224900 = 336162^2 + 14430^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4330627 + ... + 4356690.

Almost surely, 2^113213115144 is an apocalyptic number.

It is an amenable number.

113213115144 is an abundant number, since it is smaller than the sum of its proper divisors (195099800676).

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

113213115144 is a wasteful number, since it uses less digits than its factorization.

113213115144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8687510 (or 8687503 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

Adding to 113213115144 its reverse (441511312311), we get a palindrome (554724427455).

The spelling of 113213115144 in words is "one hundred thirteen billion, two hundred thirteen million, one hundred fifteen thousand, one hundred forty-four".