1105510001 has 2 divisors, whose sum is σ = 1105510002. Its totient is φ = 1105510000.

The previous prime is 1105509997. The next prime is 1105510009. The reversal of 1105510001 is 1000155011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 826620001 + 278890000 = 28751^2 + 16700^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105510001 - 2² = 1105509997 is a prime.

It is a super-2 number, since 2×1105510001² = 2444304724622040002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1105510009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552755000 + 552755001.

It is an arithmetic number, because the mean of its divisors is an integer number (552755001).

Almost surely, 2^1105510001 is an apocalyptic number.

It is an amenable number.

1105510001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105510001 is an equidigital number, since it uses as much as digits as its factorization.

1105510001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 1105510001 is about 33249.2105319811. The cubic root of 1105510001 is about 1034.0008408495. Note that the first 3 decimals are identical.

Adding to 1105510001 its reverse (1000155011), we get a palindrome (2105665012).

The spelling of 1105510001 in words is "one billion, one hundred five million, five hundred ten thousand, one".