26730692997121 has 16 divisors (see below), whose sum is σ = 29000261703168. Its totient is φ = 24538878374400.

The previous prime is 26730692997101. The next prime is 26730692997131. The reversal of 26730692997121 is 12179929603762.

It is a cyclic number.

It is not a de Polignac number, because 26730692997121 - 2¹⁷ = 26730692866049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26730692997101) 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, 1583145 + ... + 7481158.

It is an arithmetic number, because the mean of its divisors is an integer number (1812516356448).

Almost surely, 2^{26730692997121} is an apocalyptic number.

It is an amenable number.

26730692997121 is a deficient number, since it is larger than the sum of its proper divisors (2269568706047).

26730692997121 is a wasteful number, since it uses less digits than its factorization.

26730692997121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9068592.

The product of its (nonzero) digits is 30862944, while the sum is 64.

The spelling of 26730692997121 in words is "twenty-six trillion, seven hundred thirty billion, six hundred ninety-two million, nine hundred ninety-seven thousand, one hundred twenty-one".