2111302520534 has 8 divisors (see below), whose sum is σ = 3170801843760. Its totient is φ = 1054368572616.

The previous prime is 2111302520533. The next prime is 2111302520543. The reversal of 2111302520534 is 4350252031112.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2111302520497 and 2111302520506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111302520533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641341769 + ... + 641345060.

It is an arithmetic number, because the mean of its divisors is an integer number (396350230470).

Almost surely, 2^{2111302520534} is an apocalyptic number.

2111302520534 is a deficient number, since it is larger than the sum of its proper divisors (1059499323226).

2111302520534 is a wasteful number, since it uses less digits than its factorization.

2111302520534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282687654.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 2111302520534 its reverse (4350252031112), we get a palindrome (6461554551646).

The spelling of 2111302520534 in words is "two trillion, one hundred eleven billion, three hundred two million, five hundred twenty thousand, five hundred thirty-four".