104021155309 has 32 divisors (see below), whose sum is σ = 111809230848. Its totient is φ = 96598656000.

The previous prime is 104021155297. The next prime is 104021155333. The reversal of 104021155309 is 903551120401.

It is a cyclic number.

It is not a de Polignac number, because 104021155309 - 2⁷ = 104021155181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104021155409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39060312 + ... + 39062974.

It is an arithmetic number, because the mean of its divisors is an integer number (3494038464).

Almost surely, 2^104021155309 is an apocalyptic number.

It is an amenable number.

104021155309 is a deficient number, since it is larger than the sum of its proper divisors (7788075539).

104021155309 is a wasteful number, since it uses less digits than its factorization.

104021155309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 104021155309 in words is "one hundred four billion, twenty-one million, one hundred fifty-five thousand, three hundred nine".