26304912121 has 16 divisors (see below), whose sum is σ = 28033948800. Its totient is φ = 24611817600.

The previous prime is 26304912097. The next prime is 26304912131. The reversal of 26304912121 is 12121940362.

It is a cyclic number.

It is not a de Polignac number, because 26304912121 - 2⁵ = 26304912089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26304912131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623661 + ... + 664501.

It is an arithmetic number, because the mean of its divisors is an integer number (1752121800).

Almost surely, 2^26304912121 is an apocalyptic number.

It is an amenable number.

26304912121 is a deficient number, since it is larger than the sum of its proper divisors (1729036679).

26304912121 is a wasteful number, since it uses less digits than its factorization.

26304912121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41280.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 26304912121 in words is "twenty-six billion, three hundred four million, nine hundred twelve thousand, one hundred twenty-one".