26988102070261 has 2 divisors, whose sum is σ = 26988102070262. Its totient is φ = 26988102070260.

The previous prime is 26988102070253. The next prime is 26988102070277. The reversal of 26988102070261 is 16207020188962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26765205720100 + 222896350161 = 5173510^2 + 472119^2 .

It is a cyclic number.

It is not a de Polignac number, because 26988102070261 - 2³ = 26988102070253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26988102070199 and 26988102070208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26988102070211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13494051035130 + 13494051035131.

It is an arithmetic number, because the mean of its divisors is an integer number (13494051035131).

Almost surely, 2^{26988102070261} is an apocalyptic number.

It is an amenable number.

26988102070261 is a deficient number, since it is larger than the sum of its proper divisors (1).

26988102070261 is an equidigital number, since it uses as much as digits as its factorization.

26988102070261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 26988102070261 in words is "twenty-six trillion, nine hundred eighty-eight billion, one hundred two million, seventy thousand, two hundred sixty-one".