111041429993 has 4 divisors (see below), whose sum is σ = 119583078468. Its totient is φ = 102499781520.

The previous prime is 111041429977. The next prime is 111041430037. The reversal of 111041429993 is 399924140111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40881604864 + 70159825129 = 202192^2 + 264877^2 .

It is a cyclic number.

It is not a de Polignac number, because 111041429993 - 2⁴ = 111041429977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111041429593) 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, 4270824218 + ... + 4270824243.

It is an arithmetic number, because the mean of its divisors is an integer number (29895769617).

Almost surely, 2^111041429993 is an apocalyptic number.

111041429993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111041429993 is a deficient number, since it is larger than the sum of its proper divisors (8541648475).

111041429993 is an equidigital number, since it uses as much as digits as its factorization.

111041429993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541648474.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 111041429993 in words is "one hundred eleven billion, forty-one million, four hundred twenty-nine thousand, nine hundred ninety-three".