98538091505 has 16 divisors (see below), whose sum is σ = 135143336064. Its totient is φ = 67566286080.

The previous prime is 98538091471. The next prime is 98538091507. The reversal of 98538091505 is 50519083589.

It is not a de Polignac number, because 98538091505 - 2²⁸ = 98269656049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98538091507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291625 + ... + 1365785.

It is an arithmetic number, because the mean of its divisors is an integer number (8446458504).

Almost surely, 2^98538091505 is an apocalyptic number.

It is an amenable number.

98538091505 is a deficient number, since it is larger than the sum of its proper divisors (36605244559).

98538091505 is a wasteful number, since it uses less digits than its factorization.

98538091505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112136.

The product of its (nonzero) digits is 1944000, while the sum is 53.

The spelling of 98538091505 in words is "ninety-eight billion, five hundred thirty-eight million, ninety-one thousand, five hundred five".