1105427240449 has 45 divisors (see below), whose sum is σ = 1322927405793. Its totient is φ = 923619311496.

The previous prime is 1105427240429. The next prime is 1105427240453. The reversal of 1105427240449 is 9440427245011.

The square root of 1105427240449 is 1051393.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1105427240449 - 2²³ = 1105418851841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (1105427240429) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2215284802 + ... + 2215285300.

Almost surely, 2^{1105427240449} is an apocalyptic number.

1105427240449 is the 1051393-rd square number.

1105427240449 is the 525697-th centered octagonal number.

It is an amenable number.

1105427240449 is a deficient number, since it is larger than the sum of its proper divisors (217500165344).

1105427240449 is an frugal number, since it uses more digits than its factorization.

1105427240449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 1105427240449 in words is "one trillion, one hundred five billion, four hundred twenty-seven million, two hundred forty thousand, four hundred forty-nine".