2081456515153 has 2 divisors, whose sum is σ = 2081456515154. Its totient is φ = 2081456515152.

The previous prime is 2081456515121. The next prime is 2081456515169. The reversal of 2081456515153 is 3515156541802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1609477897104 + 471978618049 = 1268652^2 + 687007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2081456515153 - 2⁵ = 2081456515121 is a prime.

It is a super-2 number, since 2×2081456515153² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2081456525153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040728257576 + 1040728257577.

It is an arithmetic number, because the mean of its divisors is an integer number (1040728257577).

Almost surely, 2^{2081456515153} is an apocalyptic number.

It is an amenable number.

2081456515153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081456515153 is an equidigital number, since it uses as much as digits as its factorization.

2081456515153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 2081456515153 in words is "two trillion, eighty-one billion, four hundred fifty-six million, five hundred fifteen thousand, one hundred fifty-three".