2156130354305 has 16 divisors (see below), whose sum is σ = 2624467641600. Its totient is φ = 1700236137600.

The previous prime is 2156130354281. The next prime is 2156130354341. The reversal of 2156130354305 is 5034530316512.

It is not a de Polignac number, because 2156130354305 - 2¹⁸ = 2156130092161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4303835 + ... + 4778624.

It is an arithmetic number, because the mean of its divisors is an integer number (164029227600).

Almost surely, 2^{2156130354305} is an apocalyptic number.

It is an amenable number.

2156130354305 is a deficient number, since it is larger than the sum of its proper divisors (468337287295).

2156130354305 is an equidigital number, since it uses as much as digits as its factorization.

2156130354305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083144.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 2156130354305 in words is "two trillion, one hundred fifty-six billion, one hundred thirty million, three hundred fifty-four thousand, three hundred five".