26961925675121 has 2 divisors, whose sum is σ = 26961925675122. Its totient is φ = 26961925675120.

The previous prime is 26961925675049. The next prime is 26961925675141. The reversal of 26961925675121 is 12157652916962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26957268977521 + 4656697600 = 5192039^2 + 68240^2 .

It is a cyclic number.

It is not a de Polignac number, because 26961925675121 - 2²⁶ = 26961858566257 is a prime.

It is a super-2 number, since 2×26961925675121² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26961925675141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13480962837560 + 13480962837561.

It is an arithmetic number, because the mean of its divisors is an integer number (13480962837561).

Almost surely, 2^{26961925675121} is an apocalyptic number.

It is an amenable number.

26961925675121 is a deficient number, since it is larger than the sum of its proper divisors (1).

26961925675121 is an equidigital number, since it uses as much as digits as its factorization.

26961925675121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24494400, while the sum is 62.

The spelling of 26961925675121 in words is "twenty-six trillion, nine hundred sixty-one billion, nine hundred twenty-five million, six hundred seventy-five thousand, one hundred twenty-one".