1105500401 has 2 divisors, whose sum is σ = 1105500402. Its totient is φ = 1105500400.

The previous prime is 1105500391. The next prime is 1105500419. The reversal of 1105500401 is 1040055011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1041740176 + 63760225 = 32276^2 + 7985^2 .

It is an emirp because it is prime and its reverse (1040055011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105500401 is a prime.

It is a super-2 number, since 2×1105500401² = 2444262273222321602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1105500401.

It is not a weakly prime, because it can be changed into another prime (1105500491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552750200 + 552750201.

It is an arithmetic number, because the mean of its divisors is an integer number (552750201).

Almost surely, 2^1105500401 is an apocalyptic number.

It is an amenable number.

1105500401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105500401 is an equidigital number, since it uses as much as digits as its factorization.

1105500401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1105500401 is about 33249.0661673377. The cubic root of 1105500401 is about 1033.9978478306.

Adding to 1105500401 its reverse (1040055011), we get a palindrome (2145555412).

The spelling of 1105500401 in words is "one billion, one hundred five million, five hundred thousand, four hundred one".