11662015061 has 2 divisors, whose sum is σ = 11662015062. Its totient is φ = 11662015060.

The previous prime is 11662015051. The next prime is 11662015069. The reversal of 11662015061 is 16051026611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6335204836 + 5326810225 = 79594^2 + 72985^2 .

It is an emirp because it is prime and its reverse (16051026611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11662015061 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11662015069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831007530 + 5831007531.

It is an arithmetic number, because the mean of its divisors is an integer number (5831007531).

Almost surely, 2^11662015061 is an apocalyptic number.

It is an amenable number.

11662015061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11662015061 is an equidigital number, since it uses as much as digits as its factorization.

11662015061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 11662015061 in words is "eleven billion, six hundred sixty-two million, fifteen thousand, sixty-one".