111534456143 has 16 divisors (see below), whose sum is σ = 123529121280. Its totient is φ = 99852261600.

The previous prime is 111534456073. The next prime is 111534456167. The reversal of 111534456143 is 341654435111.

It is a cyclic number.

It is not a de Polignac number, because 111534456143 - 2²⁴ = 111517678927 is a prime.

It is a super-2 number, since 2×111534456143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111534456097 and 111534456106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111534450143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603518 + ... + 766356.

It is an arithmetic number, because the mean of its divisors is an integer number (7720570080).

Almost surely, 2^111534456143 is an apocalyptic number.

111534456143 is a deficient number, since it is larger than the sum of its proper divisors (11994665137).

111534456143 is a wasteful number, since it uses less digits than its factorization.

111534456143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163798.

The product of its digits is 86400, while the sum is 38.

The spelling of 111534456143 in words is "one hundred eleven billion, five hundred thirty-four million, four hundred fifty-six thousand, one hundred forty-three".