85751012553165 has 40 divisors (see below), whose sum is σ = 155126874301080. Its totient is φ = 45314296518528.

The previous prime is 85751012553127. The next prime is 85751012553233. The reversal of 85751012553165 is 56135521015758.

85751012553165 is a `hidden beast` number, since 8 + 5 + 7 + 5 + 10 + 12 + 553 + 1 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 34868056586724 + 50882955966441 = 5904918^2 + 7133229^2 .

It is not a de Polignac number, because 85751012553165 - 2¹¹ = 85751012551117 is a prime.

It is a super-2 number, since 2×85751012553165² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 971198494 + ... + 971286783.

It is an arithmetic number, because the mean of its divisors is an integer number (3878171857527).

Almost surely, 2^{85751012553165} is an apocalyptic number.

It is an amenable number.

85751012553165 is a deficient number, since it is larger than the sum of its proper divisors (69375861747915).

85751012553165 is a wasteful number, since it uses less digits than its factorization.

85751012553165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942485403 (or 1942485394 counting only the distinct ones).

The product of its (nonzero) digits is 6300000, while the sum is 54.

The spelling of 85751012553165 in words is "eighty-five trillion, seven hundred fifty-one billion, twelve million, five hundred fifty-three thousand, one hundred sixty-five".