1111516151651 has 2 divisors, whose sum is σ = 1111516151652. Its totient is φ = 1111516151650.

The previous prime is 1111516151593. The next prime is 1111516151657. The reversal of 1111516151651 is 1561516151111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111516151651 - 2¹⁸ = 1111515889507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111516151657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555758075825 + 555758075826.

It is an arithmetic number, because the mean of its divisors is an integer number (555758075826).

Almost surely, 2^{1111516151651} is an apocalyptic number.

1111516151651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111516151651 is an equidigital number, since it uses as much as digits as its factorization.

1111516151651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 35.

The spelling of 1111516151651 in words is "one trillion, one hundred eleven billion, five hundred sixteen million, one hundred fifty-one thousand, six hundred fifty-one".