531211051110 has 32 divisors (see below), whose sum is σ = 1274928947712. Its totient is φ = 141653788640.

The previous prime is 531211051099. The next prime is 531211051139. The reversal of 531211051110 is 11150112135.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2126617 + ... + 2363243.

It is an arithmetic number, because the mean of its divisors is an integer number (39841529616).

Almost surely, 2^531211051110 is an apocalyptic number.

531211051110 is an abundant number, since it is smaller than the sum of its proper divisors (743717896602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531211051110 is a wasteful number, since it uses less digits than its factorization.

531211051110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311468.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 531211051110 its reverse (11150112135), we get a palindrome (542361163245).

The spelling of 531211051110 in words is "five hundred thirty-one billion, two hundred eleven million, fifty-one thousand, one hundred ten".