5298123815545 has 32 divisors (see below), whose sum is σ = 6999195101184. Its totient is φ = 3817940582400.

The previous prime is 5298123815531. The next prime is 5298123815651. The reversal of 5298123815545 is 5455183218925.

It is a de Polignac number, because none of the positive numbers 2^k-5298123815545 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5298123815545.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20949369 + ... + 21200761.

It is an arithmetic number, because the mean of its divisors is an integer number (218724846912).

Almost surely, 2^{5298123815545} is an apocalyptic number.

5298123815545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5298123815545 is a deficient number, since it is larger than the sum of its proper divisors (1701071285639).

5298123815545 is a wasteful number, since it uses less digits than its factorization.

5298123815545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254913.

The product of its digits is 17280000, while the sum is 58.

The spelling of 5298123815545 in words is "five trillion, two hundred ninety-eight billion, one hundred twenty-three million, eight hundred fifteen thousand, five hundred forty-five".