531162130155 has 32 divisors (see below), whose sum is σ = 859155188736. Its totient is φ = 280194574464.

The previous prime is 531162130141. The next prime is 531162130159. The reversal of 531162130155 is 551031261135.

It is not a de Polignac number, because 531162130155 - 2⁹ = 531162129643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531162130159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1062669 + ... + 1480401.

It is an arithmetic number, because the mean of its divisors is an integer number (26848599648).

Almost surely, 2^531162130155 is an apocalyptic number.

531162130155 is a deficient number, since it is larger than the sum of its proper divisors (327993058581).

531162130155 is a wasteful number, since it uses less digits than its factorization.

531162130155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418667.

The product of its (nonzero) digits is 13500, while the sum is 33.

The spelling of 531162130155 in words is "five hundred thirty-one billion, one hundred sixty-two million, one hundred thirty thousand, one hundred fifty-five".