104203643511 has 32 divisors (see below), whose sum is σ = 154299695616. Its totient is φ = 62019216000.

The previous prime is 104203643503. The next prime is 104203643519. The reversal of 104203643511 is 115346302401.

It is an interprime number because it is at equal distance from previous prime (104203643503) and next prime (104203643519).

It is not a de Polignac number, because 104203643511 - 2³ = 104203643503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104203643519) 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 31 ways as a sum of consecutive naturals, for example, 1229185 + ... + 1311221.

It is an arithmetic number, because the mean of its divisors is an integer number (4821865488).

Almost surely, 2^104203643511 is an apocalyptic number.

104203643511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104203643511 is a deficient number, since it is larger than the sum of its proper divisors (50096052105).

104203643511 is a wasteful number, since it uses less digits than its factorization.

104203643511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82743.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 104203643511 its reverse (115346302401), we get a palindrome (219549945912).

The spelling of 104203643511 in words is "one hundred four billion, two hundred three million, six hundred forty-three thousand, five hundred eleven".