8111407371157 has 2 divisors, whose sum is σ = 8111407371158. Its totient is φ = 8111407371156.

The previous prime is 8111407371103. The next prime is 8111407371203. The reversal of 8111407371157 is 7511737041118.

It is an a-pointer prime, because the next prime (8111407371203) can be obtained adding 8111407371157 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4464067511556 + 3647339859601 = 2112834^2 + 1909801^2 .

It is a cyclic number.

It is not a de Polignac number, because 8111407371157 - 2¹⁹ = 8111406846869 is a prime.

It is a super-2 number, since 2×8111407371157² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8111407375157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4055703685578 + 4055703685579.

It is an arithmetic number, because the mean of its divisors is an integer number (4055703685579).

Almost surely, 2^{8111407371157} is an apocalyptic number.

It is an amenable number.

8111407371157 is a deficient number, since it is larger than the sum of its proper divisors (1).

8111407371157 is an equidigital number, since it uses as much as digits as its factorization.

8111407371157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 46.

The spelling of 8111407371157 in words is "eight trillion, one hundred eleven billion, four hundred seven million, three hundred seventy-one thousand, one hundred fifty-seven".