1111061051651 has 2 divisors, whose sum is σ = 1111061051652. Its totient is φ = 1111061051650.

The previous prime is 1111061051641. The next prime is 1111061051689. The reversal of 1111061051651 is 1561501601111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111061051651 - 2¹⁸ = 1111060789507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1111061051641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555530525825 + 555530525826.

It is an arithmetic number, because the mean of its divisors is an integer number (555530525826).

Almost surely, 2^{1111061051651} is an apocalyptic number.

1111061051651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111061051651 is an equidigital number, since it uses as much as digits as its factorization.

1111061051651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 29.

Adding to 1111061051651 its reverse (1561501601111), we get a palindrome (2672562652762).

The spelling of 1111061051651 in words is "one trillion, one hundred eleven billion, sixty-one million, fifty-one thousand, six hundred fifty-one".