2045211561562 has 32 divisors (see below), whose sum is σ = 3425671065600. Its totient is φ = 909397532160.

The previous prime is 2045211561557. The next prime is 2045211561563. The reversal of 2045211561562 is 2651651125402.

It is not an unprimeable number, because it can be changed into a prime (2045211561563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5509687 + ... + 5869162.

It is an arithmetic number, because the mean of its divisors is an integer number (107052220800).

Almost surely, 2^{2045211561562} is an apocalyptic number.

2045211561562 is a deficient number, since it is larger than the sum of its proper divisors (1380459504038).

2045211561562 is a wasteful number, since it uses less digits than its factorization.

2045211561562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11379118.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 2045211561562 its reverse (2651651125402), we get a palindrome (4696862686964).

The spelling of 2045211561562 in words is "two trillion, forty-five billion, two hundred eleven million, five hundred sixty-one thousand, five hundred sixty-two".