13155775766061 has 16 divisors (see below), whose sum is σ = 18216504244800. Its totient is φ = 8435135787008.

The previous prime is 13155775766059. The next prime is 13155775766071. The reversal of 13155775766061 is 16066757755131.

It is a cyclic number.

It is not a de Polignac number, because 13155775766061 - 2¹ = 13155775766059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13155775765986 and 13155775766004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155775766071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294171831 + ... + 294216548.

It is an arithmetic number, because the mean of its divisors is an integer number (1138531515300).

Almost surely, 2^{13155775766061} is an apocalyptic number.

It is an amenable number.

13155775766061 is a deficient number, since it is larger than the sum of its proper divisors (5060728478739).

13155775766061 is a wasteful number, since it uses less digits than its factorization.

13155775766061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588388668.

The product of its (nonzero) digits is 27783000, while the sum is 60.

The spelling of 13155775766061 in words is "thirteen trillion, one hundred fifty-five billion, seven hundred seventy-five million, seven hundred sixty-six thousand, sixty-one".