531277153152 has 96 divisors (see below), whose sum is σ = 1441871720520. Its totient is φ = 173324184576.

The previous prime is 531277153103. The next prime is 531277153171. The reversal of 531277153152 is 251351772135.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×531277153152² (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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535098 + ... + 1161414.

Almost surely, 2^531277153152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531277153152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720935860260).

531277153152 is an abundant number, since it is smaller than the sum of its proper divisors (910594567368).

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

531277153152 is an equidigital number, since it uses as much as digits as its factorization.

531277153152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626428 (or 626369 counting only the distinct ones).

The product of its digits is 220500, while the sum is 42.

The spelling of 531277153152 in words is "five hundred thirty-one billion, two hundred seventy-seven million, one hundred fifty-three thousand, one hundred fifty-two".