980021000113 has 4 divisors (see below), whose sum is σ = 980181955620. Its totient is φ = 979860044608.

The previous prime is 980021000071. The next prime is 980021000117. The reversal of 980021000113 is 311000120089.

980021000113 = 700007² + 700008².

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 490009800049 + 490011200064 = 700007^2 + 700008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980021000113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980021000117) 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 3 ways as a sum of consecutive naturals, for example, 80468620 + ... + 80480797.

It is an arithmetic number, because the mean of its divisors is an integer number (245045488905).

Almost surely, 2^980021000113 is an apocalyptic number.

980021000113 is the 700008-th centered square number.

It is an amenable number.

980021000113 is a deficient number, since it is larger than the sum of its proper divisors (160955507).

980021000113 is a wasteful number, since it uses less digits than its factorization.

980021000113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160955506.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 980021000113 in words is "nine hundred eighty billion, twenty-one million, one hundred thirteen", and thus it is an aban number.