4899864123555 has 16 divisors (see below), whose sum is σ = 7854114937344. Its totient is φ = 2608483419360.

The previous prime is 4899864123551. The next prime is 4899864123559. The reversal of 4899864123555 is 5553214689984.

It is an interprime number because it is at equal distance from previous prime (4899864123551) and next prime (4899864123559).

It is not a de Polignac number, because 4899864123555 - 2² = 4899864123551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4899864123555.

It is not an unprimeable number, because it can be changed into a prime (4899864123551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298581931 + ... + 298598340.

It is an arithmetic number, because the mean of its divisors is an integer number (490882183584).

Almost surely, 2^{4899864123555} is an apocalyptic number.

4899864123555 is a deficient number, since it is larger than the sum of its proper divisors (2954250813789).

4899864123555 is a wasteful number, since it uses less digits than its factorization.

4899864123555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597180826.

The product of its digits is 373248000, while the sum is 69.

The spelling of 4899864123555 in words is "four trillion, eight hundred ninety-nine billion, eight hundred sixty-four million, one hundred twenty-three thousand, five hundred fifty-five".