86518356011 has 2 divisors, whose sum is σ = 86518356012. Its totient is φ = 86518356010.

The previous prime is 86518355971. The next prime is 86518356047. The reversal of 86518356011 is 11065381568.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86518356011 - 2²⁶ = 86451247147 is a prime.

It is a super-2 number, since 2×86518356011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86518356061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43259178005 + 43259178006.

It is an arithmetic number, because the mean of its divisors is an integer number (43259178006).

Almost surely, 2^86518356011 is an apocalyptic number.

86518356011 is a deficient number, since it is larger than the sum of its proper divisors (1).

86518356011 is an equidigital number, since it uses as much as digits as its factorization.

86518356011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 86518356011 in words is "eighty-six billion, five hundred eighteen million, three hundred fifty-six thousand, eleven".