111453743447 has 2 divisors, whose sum is σ = 111453743448. Its totient is φ = 111453743446.

The previous prime is 111453743419. The next prime is 111453743483. The reversal of 111453743447 is 744347354111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111453743447 - 2⁶ = 111453743383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111453743398 and 111453743407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111453743347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55726871723 + 55726871724.

It is an arithmetic number, because the mean of its divisors is an integer number (55726871724).

Almost surely, 2^111453743447 is an apocalyptic number.

111453743447 is a deficient number, since it is larger than the sum of its proper divisors (1).

111453743447 is an equidigital number, since it uses as much as digits as its factorization.

111453743447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 44.

The spelling of 111453743447 in words is "one hundred eleven billion, four hundred fifty-three million, seven hundred forty-three thousand, four hundred forty-seven".