53870215679999 has 4 divisors (see below), whose sum is σ = 53870320252320. Its totient is φ = 53870111107680.

The previous prime is 53870215679989. The next prime is 53870215680059. The reversal of 53870215679999 is 99997651207835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53870215679999 - 2²⁴ = 53870198902783 is a prime.

It is a super-2 number, since 2×53870215679999² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53870215679989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51509594 + ... + 52545015.

It is an arithmetic number, because the mean of its divisors is an integer number (13467580063080).

Almost surely, 2^{53870215679999} is an apocalyptic number.

53870215679999 is a deficient number, since it is larger than the sum of its proper divisors (104572321).

53870215679999 is a wasteful number, since it uses less digits than its factorization.

53870215679999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104572320.

The product of its (nonzero) digits is 2314720800, while the sum is 80.

The spelling of 53870215679999 in words is "fifty-three trillion, eight hundred seventy billion, two hundred fifteen million, six hundred seventy-nine thousand, nine hundred ninety-nine".