86711138565 has 16 divisors (see below), whose sum is σ = 146039812800. Its totient is φ = 43811943552.

The previous prime is 86711138561. The next prime is 86711138573. The reversal of 86711138565 is 56583111768.

It is not a de Polignac number, because 86711138565 - 2² = 86711138561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86711138561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152124520 + ... + 152125089.

It is an arithmetic number, because the mean of its divisors is an integer number (9127488300).

Almost surely, 2^86711138565 is an apocalyptic number.

It is an amenable number.

86711138565 is a deficient number, since it is larger than the sum of its proper divisors (59328674235).

86711138565 is a wasteful number, since it uses less digits than its factorization.

86711138565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304249636.

The product of its digits is 1209600, while the sum is 51.

The spelling of 86711138565 in words is "eighty-six billion, seven hundred eleven million, one hundred thirty-eight thousand, five hundred sixty-five".