113221533408 has 48 divisors (see below), whose sum is σ = 297301286016. Its totient is φ = 37728478080.

The previous prime is 113221533379. The next prime is 113221533409. The reversal of 113221533408 is 804335122311.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221533409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117213 + ... + 490083.

It is an arithmetic number, because the mean of its divisors is an integer number (6193776792).

Almost surely, 2^113221533408 is an apocalyptic number.

It is an amenable number.

113221533408 is an abundant number, since it is smaller than the sum of its proper divisors (184079752608).

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

113221533408 is a wasteful number, since it uses less digits than its factorization.

113221533408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376047 (or 376039 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 113221533408 its reverse (804335122311), we get a palindrome (917556655719).

The spelling of 113221533408 in words is "one hundred thirteen billion, two hundred twenty-one million, five hundred thirty-three thousand, four hundred eight".