86555188155503 has 16 divisors (see below), whose sum is σ = 88566893199360. Its totient is φ = 84557581958304.

The previous prime is 86555188155473. The next prime is 86555188155593. The reversal of 86555188155503 is 30555188155568.

It is a cyclic number.

It is not a de Polignac number, because 86555188155503 - 2¹⁸ = 86555187893359 is a prime.

It is a super-3 number, since 3×86555188155503³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86555188155503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86555188155593) 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, 117982100 + ... + 118713462.

It is an arithmetic number, because the mean of its divisors is an integer number (5535430824960).

Almost surely, 2^{86555188155503} is an apocalyptic number.

86555188155503 is a deficient number, since it is larger than the sum of its proper divisors (2011705043857).

86555188155503 is a wasteful number, since it uses less digits than its factorization.

86555188155503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740998.

The product of its (nonzero) digits is 144000000, while the sum is 65.

Adding to 86555188155503 its sum of digits (65), we get a palindrome (86555188155568).

The spelling of 86555188155503 in words is "eighty-six trillion, five hundred fifty-five billion, one hundred eighty-eight million, one hundred fifty-five thousand, five hundred three".