98102145551 has 4 divisors (see below), whose sum is σ = 98172270000. Its totient is φ = 98032021104.

The previous prime is 98102145529. The next prime is 98102145601. The reversal of 98102145551 is 15554120189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98102145551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98102145499 and 98102145508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98102145521) 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, 35060126 + ... + 35062923.

It is an arithmetic number, because the mean of its divisors is an integer number (24543067500).

Almost surely, 2^98102145551 is an apocalyptic number.

98102145551 is a deficient number, since it is larger than the sum of its proper divisors (70124449).

98102145551 is a wasteful number, since it uses less digits than its factorization.

98102145551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70124448.

The product of its (nonzero) digits is 72000, while the sum is 41.

The spelling of 98102145551 in words is "ninety-eight billion, one hundred two million, one hundred forty-five thousand, five hundred fifty-one".