531222562250136 has 80 divisors (see below), whose sum is σ = 1508871597132240. Its totient is φ = 174580184761920.

The previous prime is 531222562250089. The next prime is 531222562250227. The reversal of 531222562250136 is 631052265222135.

531222562250136 is a `hidden beast` number, since 5 + 3 + 1 + 2 + 2 + 2 + 5 + 622 + 5 + 0 + 13 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 531222562250091 and 531222562250100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5773108251 + ... + 5773200266.

It is an arithmetic number, because the mean of its divisors is an integer number (18860894964153).

Almost surely, 2^{531222562250136} is an apocalyptic number.

It is an amenable number.

531222562250136 is an abundant number, since it is smaller than the sum of its proper divisors (977649034882104).

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

531222562250136 is a wasteful number, since it uses less digits than its factorization.

531222562250136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11546308606 (or 11546308593 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 531222562250136 in words is "five hundred thirty-one trillion, two hundred twenty-two billion, five hundred sixty-two million, two hundred fifty thousand, one hundred thirty-six".