86225100566531 has 2 divisors, whose sum is σ = 86225100566532. Its totient is φ = 86225100566530.

The previous prime is 86225100566441. The next prime is 86225100566593. The reversal of 86225100566531 is 13566500152268.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86225100566531 is a prime.

It is a super-2 number, since 2×86225100566531² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86225100566531.

It is not a weakly prime, because it can be changed into another prime (86225100563531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43112550283265 + 43112550283266.

It is an arithmetic number, because the mean of its divisors is an integer number (43112550283266).

Almost surely, 2^{86225100566531} is an apocalyptic number.

86225100566531 is a deficient number, since it is larger than the sum of its proper divisors (1).

86225100566531 is an equidigital number, since it uses as much as digits as its factorization.

86225100566531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 86225100566531 in words is "eighty-six trillion, two hundred twenty-five billion, one hundred million, five hundred sixty-six thousand, five hundred thirty-one".