98821142126520 has 128 divisors (see below), whose sum is σ = 325201468999680. Its totient is φ = 23824283328000.

The previous prime is 98821142126461. The next prime is 98821142126569. The reversal of 98821142126520 is 2562124112889.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206569096 + ... + 207046935.

It is an arithmetic number, because the mean of its divisors is an integer number (2540636476560).

Almost surely, 2^{98821142126520} is an apocalyptic number.

It is an amenable number.

98821142126520 is an abundant number, since it is smaller than the sum of its proper divisors (226380326873160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98821142126520 is a wasteful number, since it uses less digits than its factorization.

98821142126520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413616237 (or 413616233 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 98821142126520 in words is "ninety-eight trillion, eight hundred twenty-one billion, one hundred forty-two million, one hundred twenty-six thousand, five hundred twenty".