111453450857 has 4 divisors (see below), whose sum is σ = 127375372416. Its totient is φ = 95531529300.

The previous prime is 111453450839. The next prime is 111453450869. The reversal of 111453450857 is 758054354111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111453450857 - 2¹⁴ = 111453434473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111453450257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7960960769 + ... + 7960960782.

It is an arithmetic number, because the mean of its divisors is an integer number (31843843104).

Almost surely, 2^111453450857 is an apocalyptic number.

It is an amenable number.

111453450857 is a deficient number, since it is larger than the sum of its proper divisors (15921921559).

111453450857 is an equidigital number, since it uses as much as digits as its factorization.

111453450857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15921921558.

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 111453450857 in words is "one hundred eleven billion, four hundred fifty-three million, four hundred fifty thousand, eight hundred fifty-seven".