98581912801 has 2 divisors, whose sum is σ = 98581912802. Its totient is φ = 98581912800.

The previous prime is 98581912771. The next prime is 98581912837. The reversal of 98581912801 is 10821918589.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56370155776 + 42211757025 = 237424^2 + 205455^2 .

It is a cyclic number.

It is not a de Polignac number, because 98581912801 - 2⁷ = 98581912673 is a prime.

It is not a weakly prime, because it can be changed into another prime (98581912841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49290956400 + 49290956401.

It is an arithmetic number, because the mean of its divisors is an integer number (49290956401).

Almost surely, 2^98581912801 is an apocalyptic number.

It is an amenable number.

98581912801 is a deficient number, since it is larger than the sum of its proper divisors (1).

98581912801 is an equidigital number, since it uses as much as digits as its factorization.

98581912801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 52.

The spelling of 98581912801 in words is "ninety-eight billion, five hundred eighty-one million, nine hundred twelve thousand, eight hundred one".