113681401448 has 8 divisors (see below), whose sum is σ = 213152627730. Its totient is φ = 56840700720.

The previous prime is 113681401441. The next prime is 113681401453. The reversal of 113681401448 is 844104186311.

It can be written as a sum of positive squares in only one way, i.e., 106864917604 + 6816483844 = 326902^2 + 82562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×113681401448² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113681401441) 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 as a sum of consecutive naturals, namely, 7105087583 + ... + 7105087598.

Almost surely, 2^113681401448 is an apocalyptic number.

It is an amenable number.

113681401448 is a deficient number, since it is larger than the sum of its proper divisors (99471226282).

113681401448 is a wasteful number, since it uses less digits than its factorization.

113681401448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14210175187 (or 14210175183 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

Adding to 113681401448 its reverse (844104186311), we get a palindrome (957785587759).

The spelling of 113681401448 in words is "one hundred thirteen billion, six hundred eighty-one million, four hundred one thousand, four hundred forty-eight".