2043515531345 has 16 divisors (see below), whose sum is σ = 2561406831360. Its totient is φ = 1563114915264.

The previous prime is 2043515531341. The next prime is 2043515531347. The reversal of 2043515531345 is 5431355153402.

It is a cyclic number.

It is not a de Polignac number, because 2043515531345 - 2² = 2043515531341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2043515531341) 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 in 15 ways as a sum of consecutive naturals, for example, 68398709 + ... + 68428578.

It is an arithmetic number, because the mean of its divisors is an integer number (160087926960).

Almost surely, 2^{2043515531345} is an apocalyptic number.

It is an amenable number.

2043515531345 is a deficient number, since it is larger than the sum of its proper divisors (517891300015).

2043515531345 is a wasteful number, since it uses less digits than its factorization.

2043515531345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136827424.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 2043515531345 in words is "two trillion, forty-three billion, five hundred fifteen million, five hundred thirty-one thousand, three hundred forty-five".