98501561289856 has 64 divisors (see below), whose sum is σ = 196777419396480. Its totient is φ = 49114299921408.

The previous prime is 98501561289853. The next prime is 98501561289869. The reversal of 98501561289856 is 65898216510589.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×98501561289856³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (98501561289853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507098330 + ... + 1507163686.

It is an arithmetic number, because the mean of its divisors is an integer number (3074647178070).

Almost surely, 2^{98501561289856} is an apocalyptic number.

It is an amenable number.

98501561289856 is a deficient number, since it is larger than the sum of its proper divisors (98275858106624).

98501561289856 is a wasteful number, since it uses less digits than its factorization.

98501561289856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97821 (or 97809 counting only the distinct ones).

The product of its (nonzero) digits is 373248000, while the sum is 73.

The spelling of 98501561289856 in words is "ninety-eight trillion, five hundred one billion, five hundred sixty-one million, two hundred eighty-nine thousand, eight hundred fifty-six".