113524991481 has 16 divisors (see below), whose sum is σ = 169590161088. Its totient is φ = 66943483200.

The previous prime is 113524991479. The next prime is 113524991521. The reversal of 113524991481 is 184199425311.

It is not a de Polignac number, because 113524991481 - 2¹ = 113524991479 is a prime.

It is a super-2 number, since 2×113524991481² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113524991481.

It is not an unprimeable number, because it can be changed into a prime (113524991401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46487310 + ... + 46489751.

It is an arithmetic number, because the mean of its divisors is an integer number (10599385068).

Almost surely, 2^113524991481 is an apocalyptic number.

113524991481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113524991481 is a deficient number, since it is larger than the sum of its proper divisors (56065169607).

113524991481 is a wasteful number, since it uses less digits than its factorization.

113524991481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92977112.

The product of its digits is 311040, while the sum is 48.

The spelling of 113524991481 in words is "one hundred thirteen billion, five hundred twenty-four million, nine hundred ninety-one thousand, four hundred eighty-one".