110720513 has 2 divisors, whose sum is σ = 110720514. Its totient is φ = 110720512.

The previous prime is 110720509. The next prime is 110720537. The reversal of 110720513 is 315027011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66471409 + 44249104 = 8153^2 + 6652^2 .

It is a cyclic number.

It is not a de Polignac number, because 110720513 - 2² = 110720509 is a prime.

It is not a weakly prime, because it can be changed into another prime (110720503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55360256 + 55360257.

It is an arithmetic number, because the mean of its divisors is an integer number (55360257).

Almost surely, 2^110720513 is an apocalyptic number.

It is an amenable number.

110720513 is a deficient number, since it is larger than the sum of its proper divisors (1).

110720513 is an equidigital number, since it uses as much as digits as its factorization.

110720513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 110720513 is about 10522.3815270118. The cubic root of 110720513 is about 480.1858554004.

Adding to 110720513 its reverse (315027011), we get a palindrome (425747524).

The spelling of 110720513 in words is "one hundred ten million, seven hundred twenty thousand, five hundred thirteen".