2011355651 has 2 divisors, whose sum is σ = 2011355652. Its totient is φ = 2011355650.

The previous prime is 2011355587. The next prime is 2011355693. The reversal of 2011355651 is 1565531102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011355651 - 2⁶ = 2011355587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011355851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005677825 + 1005677826.

It is an arithmetic number, because the mean of its divisors is an integer number (1005677826).

Almost surely, 2^2011355651 is an apocalyptic number.

2011355651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011355651 is an equidigital number, since it uses as much as digits as its factorization.

2011355651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 2011355651 is about 44848.1398833887. The cubic root of 2011355651 is about 1262.3010883696.

Adding to 2011355651 its reverse (1565531102), we get a palindrome (3576886753).

The spelling of 2011355651 in words is "two billion, eleven million, three hundred fifty-five thousand, six hundred fifty-one".