98188091052481 has 4 divisors (see below), whose sum is σ = 101573887295700. Its totient is φ = 94802294809264.

The previous prime is 98188091052473. The next prime is 98188091052503. The reversal of 98188091052481 is 18425019088189.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51174565249600 + 47013525802881 = 7153640^2 + 6856641^2 .

It is a cyclic number.

It is not a de Polignac number, because 98188091052481 - 2³ = 98188091052473 is a prime.

It is a super-2 number, since 2×98188091052481² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98188091002481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692898121566 + ... + 1692898121623.

It is an arithmetic number, because the mean of its divisors is an integer number (25393471823925).

Almost surely, 2^{98188091052481} is an apocalyptic number.

It is an amenable number.

98188091052481 is a deficient number, since it is larger than the sum of its proper divisors (3385796243219).

98188091052481 is a wasteful number, since it uses less digits than its factorization.

98188091052481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385796243218.

The product of its (nonzero) digits is 13271040, while the sum is 64.

The spelling of 98188091052481 in words is "ninety-eight trillion, one hundred eighty-eight billion, ninety-one million, fifty-two thousand, four hundred eighty-one".