103404511 has 4 divisors (see below), whose sum is σ = 118176592. Its totient is φ = 88632432.

The previous prime is 103404503. The next prime is 103404533. The reversal of 103404511 is 115404301.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 103404511 - 2³ = 103404503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103401511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7386030 + ... + 7386043.

It is an arithmetic number, because the mean of its divisors is an integer number (29544148).

Almost surely, 2^103404511 is an apocalyptic number.

103404511 is a deficient number, since it is larger than the sum of its proper divisors (14772081).

103404511 is an equidigital number, since it uses as much as digits as its factorization.

103404511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14772080.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 103404511 is about 10168.8008634253. The cubic root of 103404511 is about 469.3676587546.

Adding to 103404511 its reverse (115404301), we get a palindrome (218808812).

The spelling of 103404511 in words is "one hundred three million, four hundred four thousand, five hundred eleven".