85504618151 has 2 divisors, whose sum is σ = 85504618152. Its totient is φ = 85504618150.

The previous prime is 85504618141. The next prime is 85504618193. The reversal of 85504618151 is 15181640558.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85504618151 is a prime.

It is a super-2 number, since 2×85504618151² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85504618141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42752309075 + 42752309076.

It is an arithmetic number, because the mean of its divisors is an integer number (42752309076).

Almost surely, 2^85504618151 is an apocalyptic number.

85504618151 is a deficient number, since it is larger than the sum of its proper divisors (1).

85504618151 is an equidigital number, since it uses as much as digits as its factorization.

85504618151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192000, while the sum is 44.

The spelling of 85504618151 in words is "eighty-five billion, five hundred four million, six hundred eighteen thousand, one hundred fifty-one".