531110531245 has 16 divisors (see below), whose sum is σ = 766715955840. Its totient is φ = 345022179264.

The previous prime is 531110531213. The next prime is 531110531291. The reversal of 531110531245 is 542135011135.

It is not a de Polignac number, because 531110531245 - 2⁵ = 531110531213 is a prime.

It is a super-2 number, since 2×531110531245² (a number of 24 digits) contains 22 as substring.

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, 399330562 + ... + 399331891.

It is an arithmetic number, because the mean of its divisors is an integer number (47919747240).

Almost surely, 2^531110531245 is an apocalyptic number.

It is an amenable number.

531110531245 is a deficient number, since it is larger than the sum of its proper divisors (235605424595).

531110531245 is a wasteful number, since it uses less digits than its factorization.

531110531245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798662484.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 531110531245 in words is "five hundred thirty-one billion, one hundred ten million, five hundred thirty-one thousand, two hundred forty-five".