521340042110 has 16 divisors (see below), whose sum is σ = 939470053536. Its totient is φ = 208300910688.

The previous prime is 521340042107. The next prime is 521340042163. The reversal of 521340042110 is 11240043125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29378957 + ... + 29396696.

It is an arithmetic number, because the mean of its divisors is an integer number (58716878346).

Almost surely, 2^521340042110 is an apocalyptic number.

521340042110 is a deficient number, since it is larger than the sum of its proper divisors (418130011426).

521340042110 is a wasteful number, since it uses less digits than its factorization.

521340042110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58776547.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 521340042110 its reverse (11240043125), we get a palindrome (532580085235).

The spelling of 521340042110 in words is "five hundred twenty-one billion, three hundred forty million, forty-two thousand, one hundred ten".