98021613511 has 4 divisors (see below), whose sum is σ = 98022489552. Its totient is φ = 98020737472.

The previous prime is 98021613497. The next prime is 98021613559. The reversal of 98021613511 is 11531612089.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 98021613511 - 2⁵ = 98021613479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98021613581) 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, 240490 + ... + 503863.

It is an arithmetic number, because the mean of its divisors is an integer number (24505622388).

Almost surely, 2^98021613511 is an apocalyptic number.

98021613511 is a deficient number, since it is larger than the sum of its proper divisors (876041).

98021613511 is a wasteful number, since it uses less digits than its factorization.

98021613511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876040.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 98021613511 in words is "ninety-eight billion, twenty-one million, six hundred thirteen thousand, five hundred eleven".