525510111145252 has 6 divisors (see below), whose sum is σ = 919642694504198. Its totient is φ = 262755055572624.

The previous prime is 525510111145223. The next prime is 525510111145291. The reversal of 525510111145252 is 252541111015525.

It can be written as a sum of positive squares in only one way, i.e., 398445273676836 + 127064837468416 = 19961094^2 + 11272304^2 .

It is a super-2 number, since 2×525510111145252² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65688763893153 + ... + 65688763893160.

Almost surely, 2^{525510111145252} is an apocalyptic number.

It is an amenable number.

525510111145252 is a deficient number, since it is larger than the sum of its proper divisors (394132583358946).

525510111145252 is a wasteful number, since it uses less digits than its factorization.

525510111145252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131377527786317 (or 131377527786315 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 40.

The spelling of 525510111145252 in words is "five hundred twenty-five trillion, five hundred ten billion, one hundred eleven million, one hundred forty-five thousand, two hundred fifty-two".