11655240662141 has 2 divisors, whose sum is σ = 11655240662142. Its totient is φ = 11655240662140.

The previous prime is 11655240662137. The next prime is 11655240662173. The reversal of 11655240662141 is 14126604255611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10198946829241 + 1456293832900 = 3193579^2 + 1206770^2 .

It is an emirp because it is prime and its reverse (14126604255611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11655240662141 - 2² = 11655240662137 is a prime.

It is a super-2 number, since 2×11655240662141² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11655240662092 and 11655240662101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11655240662341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827620331070 + 5827620331071.

It is an arithmetic number, because the mean of its divisors is an integer number (5827620331071).

Almost surely, 2^{11655240662141} is an apocalyptic number.

It is an amenable number.

11655240662141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11655240662141 is an equidigital number, since it uses as much as digits as its factorization.

11655240662141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 11655240662141 in words is "eleven trillion, six hundred fifty-five billion, two hundred forty million, six hundred sixty-two thousand, one hundred forty-one".