275522431156252 has 24 divisors (see below), whose sum is σ = 553929913958400. Its totient is φ = 117462816571440.

The previous prime is 275522431156243. The next prime is 275522431156253. The reversal of 275522431156252 is 252651134225572.

It is a super-2 number, since 2×275522431156252² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 275522431156252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275522431156253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25759384252 + ... + 25759394947.

It is an arithmetic number, because the mean of its divisors is an integer number (23080413081600).

Almost surely, 2^{275522431156252} is an apocalyptic number.

It is an amenable number.

275522431156252 is an abundant number, since it is smaller than the sum of its proper divisors (278407482802148).

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

275522431156252 is a wasteful number, since it uses less digits than its factorization.

275522431156252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51518779401 (or 51518779399 counting only the distinct ones).

The product of its digits is 10080000, while the sum is 52.

The spelling of 275522431156252 in words is "two hundred seventy-five trillion, five hundred twenty-two billion, four hundred thirty-one million, one hundred fifty-six thousand, two hundred fifty-two".