111536431634 has 8 divisors (see below), whose sum is σ = 168271726860. Its totient is φ = 55445856016.

The previous prime is 111536431627. The next prime is 111536431663. The reversal of 111536431634 is 436134635111.

It can be written as a sum of positive squares in 2 ways, for example, as 95948160025 + 15588271609 = 309755^2 + 124853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161179469 + ... + 161180160.

Almost surely, 2^111536431634 is an apocalyptic number.

111536431634 is a deficient number, since it is larger than the sum of its proper divisors (56735295226).

111536431634 is a wasteful number, since it uses less digits than its factorization.

111536431634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322359804.

The product of its digits is 77760, while the sum is 38.

The spelling of 111536431634 in words is "one hundred eleven billion, five hundred thirty-six million, four hundred thirty-one thousand, six hundred thirty-four".