85753532511 has 24 divisors (see below), whose sum is σ = 129584089440. Its totient is φ = 54542786496.

The previous prime is 85753532509. The next prime is 85753532533. The reversal of 85753532511 is 11523535758.

85753532511 is a `hidden beast` number, since 8 + 5 + 75 + 35 + 32 + 511 = 666.

It is not a de Polignac number, because 85753532511 - 2¹ = 85753532509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85753534511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451956 + ... + 613001.

It is an arithmetic number, because the mean of its divisors is an integer number (5399337060).

Almost surely, 2^85753532511 is an apocalyptic number.

85753532511 is a deficient number, since it is larger than the sum of its proper divisors (43830556929).

85753532511 is a wasteful number, since it uses less digits than its factorization.

85753532511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065375 (or 1065372 counting only the distinct ones).

The product of its digits is 630000, while the sum is 45.

The spelling of 85753532511 in words is "eighty-five billion, seven hundred fifty-three million, five hundred thirty-two thousand, five hundred eleven".