111166387743 has 16 divisors (see below), whose sum is σ = 157524225120. Its totient is φ = 69492151296.

The previous prime is 111166387699. The next prime is 111166387757. The reversal of 111166387743 is 347783661111.

It is not a de Polignac number, because 111166387743 - 2⁶ = 111166387679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111166387692 and 111166387701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111166387243) 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, 4037830 + ... + 4065267.

It is an arithmetic number, because the mean of its divisors is an integer number (9845264070).

Almost surely, 2^111166387743 is an apocalyptic number.

111166387743 is a deficient number, since it is larger than the sum of its proper divisors (46357837377).

111166387743 is a wasteful number, since it uses less digits than its factorization.

111166387743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103386.

The product of its digits is 508032, while the sum is 48.

The spelling of 111166387743 in words is "one hundred eleven billion, one hundred sixty-six million, three hundred eighty-seven thousand, seven hundred forty-three".