111742402021607 has 8 divisors (see below), whose sum is σ = 128711158235136. Its totient is φ = 95025034789272.

The previous prime is 111742402021583. The next prime is 111742402021717. The reversal of 111742402021607 is 706120204247111.

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

It is not a de Polignac number, because 111742402021607 - 2⁶ = 111742402021543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111742402021207) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62847244343 + ... + 62847246120.

It is an arithmetic number, because the mean of its divisors is an integer number (16088894779392).

Almost surely, 2^{111742402021607} is an apocalyptic number.

111742402021607 is a deficient number, since it is larger than the sum of its proper divisors (16968756213529).

111742402021607 is a wasteful number, since it uses less digits than its factorization.

111742402021607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125694490597.

The product of its (nonzero) digits is 37632, while the sum is 38.

Adding to 111742402021607 its reverse (706120204247111), we get a palindrome (817862606268718).

The spelling of 111742402021607 in words is "one hundred eleven trillion, seven hundred forty-two billion, four hundred two million, twenty-one thousand, six hundred seven".