13655034261 has 12 divisors (see below), whose sum is σ = 21517023840. Its totient is φ = 8275778280.

The previous prime is 13655034257. The next prime is 13655034269. The reversal of 13655034261 is 16243055631.

13655034261 is a `hidden beast` number, since 1 + 3 + 6 + 550 + 3 + 42 + 61 = 666.

It is not a de Polignac number, because 13655034261 - 2² = 13655034257 is a prime.

It is a super-2 number, since 2×13655034261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13655034269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68964721 + ... + 68964918.

It is an arithmetic number, because the mean of its divisors is an integer number (1793085320).

Almost surely, 2^13655034261 is an apocalyptic number.

13655034261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13655034261 is a deficient number, since it is larger than the sum of its proper divisors (7861989579).

13655034261 is a wasteful number, since it uses less digits than its factorization.

13655034261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137929656 (or 137929653 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 13655034261 its reverse (16243055631), we get a palindrome (29898089892).

The spelling of 13655034261 in words is "thirteen billion, six hundred fifty-five million, thirty-four thousand, two hundred sixty-one".