11005655651 has 2 divisors, whose sum is σ = 11005655652. Its totient is φ = 11005655650.

The previous prime is 11005655611. The next prime is 11005655659. The reversal of 11005655651 is 15655650011.

It is a strong prime.

It is an emirp because it is prime and its reverse (15655650011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11005655651 is a prime.

It is a super-2 number, since 2×11005655651² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11005655659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502827825 + 5502827826.

It is an arithmetic number, because the mean of its divisors is an integer number (5502827826).

Almost surely, 2^11005655651 is an apocalyptic number.

11005655651 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005655651 is an equidigital number, since it uses as much as digits as its factorization.

11005655651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 11005655651 in words is "eleven billion, five million, six hundred fifty-five thousand, six hundred fifty-one".