2148356531365 has 8 divisors (see below), whose sum is σ = 2812394004768. Its totient is φ = 1562441113680.

The previous prime is 2148356531341. The next prime is 2148356531381. The reversal of 2148356531365 is 5631356538412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2148356531365 - 2³⁵ = 2113996792997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19530513867 + ... + 19530513976.

It is an arithmetic number, because the mean of its divisors is an integer number (351549250596).

Almost surely, 2^{2148356531365} is an apocalyptic number.

It is an amenable number.

2148356531365 is a deficient number, since it is larger than the sum of its proper divisors (664037473403).

2148356531365 is a wasteful number, since it uses less digits than its factorization.

2148356531365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39061027859.

The product of its digits is 7776000, while the sum is 52.

The spelling of 2148356531365 in words is "two trillion, one hundred forty-eight billion, three hundred fifty-six million, five hundred thirty-one thousand, three hundred sixty-five".