531515520052 has 48 divisors (see below), whose sum is σ = 1057078693440. Its totient is φ = 231710278400.

The previous prime is 531515520043. The next prime is 531515520061. The reversal of 531515520052 is 250025515135.

It is an interprime number because it is at equal distance from previous prime (531515520043) and next prime (531515520061).

It is a super-2 number, since 2×531515520052² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2390443 + ... + 2603314.

It is an arithmetic number, because the mean of its divisors is an integer number (22022472780).

Almost surely, 2^531515520052 is an apocalyptic number.

It is an amenable number.

531515520052 is a deficient number, since it is larger than the sum of its proper divisors (525563173388).

531515520052 is a wasteful number, since it uses less digits than its factorization.

531515520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993872 (or 4993870 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 531515520052 in words is "five hundred thirty-one billion, five hundred fifteen million, five hundred twenty thousand, fifty-two".