531126612112 has 20 divisors (see below), whose sum is σ = 1046499470640. Its totient is φ = 261062232608.

The previous prime is 531126612061. The next prime is 531126612143. The reversal of 531126612112 is 211216621135.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281316118 + ... + 281318005.

It is an arithmetic number, because the mean of its divisors is an integer number (52324973532).

Almost surely, 2^531126612112 is an apocalyptic number.

It is an amenable number.

531126612112 is a deficient number, since it is larger than the sum of its proper divisors (515372858528).

531126612112 is a wasteful number, since it uses less digits than its factorization.

531126612112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562634190 (or 562634184 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The spelling of 531126612112 in words is "five hundred thirty-one billion, one hundred twenty-six million, six hundred twelve thousand, one hundred twelve".