531505112145002 has 32 divisors (see below), whose sum is σ = 819477268323840. Its totient is φ = 258357824838720.

The previous prime is 531505112144917. The next prime is 531505112145019. The reversal of 531505112145002 is 200541211505135.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6646515623 + ... + 6646595589.

It is an arithmetic number, because the mean of its divisors is an integer number (25608664635120).

Almost surely, 2^{531505112145002} is an apocalyptic number.

531505112145002 is a deficient number, since it is larger than the sum of its proper divisors (287972156178838).

531505112145002 is a wasteful number, since it uses less digits than its factorization.

531505112145002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152606.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 531505112145002 in words is "five hundred thirty-one trillion, five hundred five billion, one hundred twelve million, one hundred forty-five thousand, two".