10655220233261 has 2 divisors, whose sum is σ = 10655220233262. Its totient is φ = 10655220233260.

The previous prime is 10655220233257. The next prime is 10655220233267. The reversal of 10655220233261 is 16233202255601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9084985685161 + 1570234548100 = 3014131^2 + 1253090^2 .

It is a cyclic number.

It is not a de Polignac number, because 10655220233261 - 2² = 10655220233257 is a prime.

It is a super-3 number, since 3×10655220233261³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10655220233267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5327610116630 + 5327610116631.

It is an arithmetic number, because the mean of its divisors is an integer number (5327610116631).

Almost surely, 2^{10655220233261} is an apocalyptic number.

It is an amenable number.

10655220233261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10655220233261 is an equidigital number, since it uses as much as digits as its factorization.

10655220233261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 10655220233261 its reverse (16233202255601), we get a palindrome (26888422488862).

The spelling of 10655220233261 in words is "ten trillion, six hundred fifty-five billion, two hundred twenty million, two hundred thirty-three thousand, two hundred sixty-one".