111157447143 has 8 divisors (see below), whose sum is σ = 148212505728. Its totient is φ = 74103676664.

The previous prime is 111157447117. The next prime is 111157447169. The reversal of 111157447143 is 341744751111.

It is an interprime number because it is at equal distance from previous prime (111157447117) and next prime (111157447169).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111157447143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111157447343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98505 + ... + 481682.

It is an arithmetic number, because the mean of its divisors is an integer number (18526563216).

Almost surely, 2^111157447143 is an apocalyptic number.

111157447143 is a deficient number, since it is larger than the sum of its proper divisors (37055058585).

111157447143 is an equidigital number, since it uses as much as digits as its factorization.

111157447143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644053.

The product of its digits is 47040, while the sum is 39.

The spelling of 111157447143 in words is "one hundred eleven billion, one hundred fifty-seven million, four hundred forty-seven thousand, one hundred forty-three".