111138829359 has 4 divisors (see below), whose sum is σ = 148185105816. Its totient is φ = 74092552904.

The previous prime is 111138829357. The next prime is 111138829393. The reversal of 111138829359 is 953928831111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953928831111 = 3 ⋅317976277037.

It is a cyclic number.

It is not a de Polignac number, because 111138829359 - 2¹ = 111138829357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111138829357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18523138224 + ... + 18523138229.

It is an arithmetic number, because the mean of its divisors is an integer number (37046276454).

Almost surely, 2^111138829359 is an apocalyptic number.

111138829359 is a deficient number, since it is larger than the sum of its proper divisors (37046276457).

111138829359 is an equidigital number, since it uses as much as digits as its factorization.

111138829359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37046276456.

The product of its digits is 466560, while the sum is 51.

The spelling of 111138829359 in words is "one hundred eleven billion, one hundred thirty-eight million, eight hundred twenty-nine thousand, three hundred fifty-nine".