52118130815446 has 16 divisors (see below), whose sum is σ = 79653180111408. Its totient is φ = 25567082413600.

The previous prime is 52118130815423. The next prime is 52118130815447. The reversal of 52118130815446 is 64451803181125.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52118130815446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52118130815447) 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, 6226881 + ... + 11958691.

It is an arithmetic number, because the mean of its divisors is an integer number (4978323756963).

Almost surely, 2^{52118130815446} is an apocalyptic number.

52118130815446 is a deficient number, since it is larger than the sum of its proper divisors (27535049295962).

52118130815446 is a wasteful number, since it uses less digits than its factorization.

52118130815446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817647.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 52118130815446 in words is "fifty-two trillion, one hundred eighteen billion, one hundred thirty million, eight hundred fifteen thousand, four hundred forty-six".