111343052449 has 2 divisors, whose sum is σ = 111343052450. Its totient is φ = 111343052448.

The previous prime is 111343052413. The next prime is 111343052453. The reversal of 111343052449 is 944250343111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81601635600 + 29741416849 = 285660^2 + 172457^2 .

It is a cyclic number.

It is not a de Polignac number, because 111343052449 - 2²⁹ = 110806181537 is a prime.

It is not a weakly prime, because it can be changed into another prime (111343082449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55671526224 + 55671526225.

It is an arithmetic number, because the mean of its divisors is an integer number (55671526225).

Almost surely, 2^111343052449 is an apocalyptic number.

It is an amenable number.

111343052449 is a deficient number, since it is larger than the sum of its proper divisors (1).

111343052449 is an equidigital number, since it uses as much as digits as its factorization.

111343052449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 111343052449 in words is "one hundred eleven billion, three hundred forty-three million, fifty-two thousand, four hundred forty-nine".