10770987568261 has 2 divisors, whose sum is σ = 10770987568262. Its totient is φ = 10770987568260.

The previous prime is 10770987568223. The next prime is 10770987568303. The reversal of 10770987568261 is 16286578907701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10239392009025 + 531595559236 = 3199905^2 + 729106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10770987568261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10770987569261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5385493784130 + 5385493784131.

It is an arithmetic number, because the mean of its divisors is an integer number (5385493784131).

Almost surely, 2^{10770987568261} is an apocalyptic number.

It is an amenable number.

10770987568261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10770987568261 is an equidigital number, since it uses as much as digits as its factorization.

10770987568261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71124480, while the sum is 67.

The spelling of 10770987568261 in words is "ten trillion, seven hundred seventy billion, nine hundred eighty-seven million, five hundred sixty-eight thousand, two hundred sixty-one".