98821025451 has 12 divisors (see below), whose sum is σ = 142818788112. Its totient is φ = 65845003536.

The previous prime is 98821025441. The next prime is 98821025467. The reversal of 98821025451 is 15452012889.

98821025451 is a `hidden beast` number, since 9 + 88 + 21 + 0 + 2 + 545 + 1 = 666.

It is not a de Polignac number, because 98821025451 - 2²² = 98816831147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98821025397 and 98821025406.

It is not an unprimeable number, because it can be changed into a prime (98821025441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2955796 + ... + 2989041.

It is an arithmetic number, because the mean of its divisors is an integer number (11901565676).

Almost surely, 2^98821025451 is an apocalyptic number.

98821025451 is a deficient number, since it is larger than the sum of its proper divisors (43997762661).

98821025451 is a wasteful number, since it uses less digits than its factorization.

98821025451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946690 (or 5946687 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 98821025451 in words is "ninety-eight billion, eight hundred twenty-one million, twenty-five thousand, four hundred fifty-one".