85099143751 has 2 divisors, whose sum is σ = 85099143752. Its totient is φ = 85099143750.

The previous prime is 85099143749. The next prime is 85099143797. The reversal of 85099143751 is 15734199058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85099143751 - 2¹ = 85099143749 is a prime.

Together with 85099143749, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85099143551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42549571875 + 42549571876.

It is an arithmetic number, because the mean of its divisors is an integer number (42549571876).

Almost surely, 2^85099143751 is an apocalyptic number.

85099143751 is a deficient number, since it is larger than the sum of its proper divisors (1).

85099143751 is an equidigital number, since it uses as much as digits as its factorization.

85099143751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 85099143751 in words is "eighty-five billion, ninety-nine million, one hundred forty-three thousand, seven hundred fifty-one".