1105055639 has 2 divisors, whose sum is σ = 1105055640. Its totient is φ = 1105055638.

The previous prime is 1105055603. The next prime is 1105055659. The reversal of 1105055639 is 9365505011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1105055639 - 2⁸ = 1105055383 is a prime.

It is a super-2 number, since 2×1105055639² = 2442295930571396642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1105055599 and 1105055608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105055659) 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 as a sum of consecutive naturals, namely, 552527819 + 552527820.

It is an arithmetic number, because the mean of its divisors is an integer number (552527820).

Almost surely, 2^1105055639 is an apocalyptic number.

1105055639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105055639 is an equidigital number, since it uses as much as digits as its factorization.

1105055639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 1105055639 is about 33242.3771562745. The cubic root of 1105055639 is about 1033.8591641368.

The spelling of 1105055639 in words is "one billion, one hundred five million, fifty-five thousand, six hundred thirty-nine".