7111606121651 has 2 divisors, whose sum is σ = 7111606121652. Its totient is φ = 7111606121650.

The previous prime is 7111606121629. The next prime is 7111606121723. The reversal of 7111606121651 is 1561216061117.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7111606121651 - 2²² = 7111601927347 is a prime.

It is not a weakly prime, because it can be changed into another prime (7111656121651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3555803060825 + 3555803060826.

It is an arithmetic number, because the mean of its divisors is an integer number (3555803060826).

Almost surely, 2^{7111606121651} is an apocalyptic number.

7111606121651 is a deficient number, since it is larger than the sum of its proper divisors (1).

7111606121651 is an equidigital number, since it uses as much as digits as its factorization.

7111606121651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 38.

The spelling of 7111606121651 in words is "seven trillion, one hundred eleven billion, six hundred six million, one hundred twenty-one thousand, six hundred fifty-one".