111664134532 has 12 divisors (see below), whose sum is σ = 196265565580. Its totient is φ = 55588258656.

The previous prime is 111664134523. The next prime is 111664134541. The reversal of 111664134532 is 235431466111.

It is an interprime number because it is at equal distance from previous prime (111664134523) and next prime (111664134541).

It can be written as a sum of positive squares in 2 ways, for example, as 91038579076 + 20625555456 = 301726^2 + 143616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111664134491 and 111664134500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60951123 + ... + 60952954.

Almost surely, 2^111664134532 is an apocalyptic number.

It is an amenable number.

111664134532 is a deficient number, since it is larger than the sum of its proper divisors (84601431048).

111664134532 is a wasteful number, since it uses less digits than its factorization.

111664134532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121904310 (or 121904308 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The spelling of 111664134532 in words is "one hundred eleven billion, six hundred sixty-four million, one hundred thirty-four thousand, five hundred thirty-two".