1101026513 has 2 divisors, whose sum is σ = 1101026514. Its totient is φ = 1101026512.

The previous prime is 1101026503. The next prime is 1101026543. The reversal of 1101026513 is 3156201011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1079976769 + 21049744 = 32863^2 + 4588^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101026513 - 2⁶ = 1101026449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101026503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550513256 + 550513257.

It is an arithmetic number, because the mean of its divisors is an integer number (550513257).

Almost surely, 2^1101026513 is an apocalyptic number.

It is an amenable number.

1101026513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101026513 is an equidigital number, since it uses as much as digits as its factorization.

1101026513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1101026513 is about 33181.7195606255. The cubic root of 1101026513 is about 1032.6011213684.

Adding to 1101026513 its reverse (3156201011), we get a palindrome (4257227524).

The spelling of 1101026513 in words is "one billion, one hundred one million, twenty-six thousand, five hundred thirteen".