111970513671 has 8 divisors (see below), whose sum is σ = 150663688560. Its totient is φ = 73962173952.

The previous prime is 111970513657. The next prime is 111970513723. The reversal of 111970513671 is 176315079111.

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

It is not a de Polignac number, because 111970513671 - 2⁹ = 111970513159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111970513601) 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 in 7 ways as a sum of consecutive naturals, for example, 171208410 + ... + 171209063.

It is an arithmetic number, because the mean of its divisors is an integer number (18832961070).

Almost surely, 2^111970513671 is an apocalyptic number.

111970513671 is a deficient number, since it is larger than the sum of its proper divisors (38693174889).

111970513671 is a wasteful number, since it uses less digits than its factorization.

111970513671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342417585.

The product of its (nonzero) digits is 39690, while the sum is 42.

The spelling of 111970513671 in words is "one hundred eleven billion, nine hundred seventy million, five hundred thirteen thousand, six hundred seventy-one".