113550244521 has 48 divisors (see below), whose sum is σ = 186526252800. Its totient is φ = 61093442592.

The previous prime is 113550244513. The next prime is 113550244541. The reversal of 113550244521 is 125442055311.

It is not a de Polignac number, because 113550244521 - 2³ = 113550244513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113550244501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330550 + ... + 579968.

It is an arithmetic number, because the mean of its divisors is an integer number (3885963600).

Almost surely, 2^113550244521 is an apocalyptic number.

It is an amenable number.

113550244521 is a deficient number, since it is larger than the sum of its proper divisors (72976008279).

113550244521 is a wasteful number, since it uses less digits than its factorization.

113550244521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249618 (or 249611 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 113550244521 its reverse (125442055311), we get a palindrome (238992299832).

The spelling of 113550244521 in words is "one hundred thirteen billion, five hundred fifty million, two hundred forty-four thousand, five hundred twenty-one".