4861644811500 has 48 divisors (see below), whose sum is σ = 14157109695456. Its totient is φ = 1296438616000.

The previous prime is 4861644811481. The next prime is 4861644811519. The reversal of 4861644811500 is 51184461684.

It is an interprime number because it is at equal distance from previous prime (4861644811481) and next prime (4861644811519).

It is a self number, because there is not a number n which added to its sum of digits gives 4861644811500.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1620546771 + ... + 1620549770.

It is an arithmetic number, because the mean of its divisors is an integer number (294939785322).

Almost surely, 2^{4861644811500} is an apocalyptic number.

It is an amenable number.

4861644811500 is an abundant number, since it is smaller than the sum of its proper divisors (9295464883956).

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

4861644811500 is a wasteful number, since it uses less digits than its factorization.

4861644811500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241096563 (or 3241096551 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 4861644811500 in words is "four trillion, eight hundred sixty-one billion, six hundred forty-four million, eight hundred eleven thousand, five hundred".