113428465921 has 8 divisors (see below), whose sum is σ = 119556126080. Its totient is φ = 107316579888.

The previous prime is 113428465903. The next prime is 113428465933. The reversal of 113428465921 is 129564824311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113428465921 - 2⁷ = 113428465793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113428465121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928761 + ... + 3957526.

It is an arithmetic number, because the mean of its divisors is an integer number (14944515760).

Almost surely, 2^113428465921 is an apocalyptic number.

It is an amenable number.

113428465921 is a deficient number, since it is larger than the sum of its proper divisors (6127660159).

113428465921 is an equidigital number, since it uses as much as digits as its factorization.

113428465921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887063.

The product of its digits is 414720, while the sum is 46.

The spelling of 113428465921 in words is "one hundred thirteen billion, four hundred twenty-eight million, four hundred sixty-five thousand, nine hundred twenty-one".