11142665231651 has 2 divisors, whose sum is σ = 11142665231652. Its totient is φ = 11142665231650.

The previous prime is 11142665231563. The next prime is 11142665231671. The reversal of 11142665231651 is 15613256624111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11142665231651 is a prime.

It is not a weakly prime, because it can be changed into another prime (11142665231671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571332615825 + 5571332615826.

It is an arithmetic number, because the mean of its divisors is an integer number (5571332615826).

Almost surely, 2^{11142665231651} is an apocalyptic number.

11142665231651 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142665231651 is an equidigital number, since it uses as much as digits as its factorization.

11142665231651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 44.

The spelling of 11142665231651 in words is "eleven trillion, one hundred forty-two billion, six hundred sixty-five million, two hundred thirty-one thousand, six hundred fifty-one".