525152881281 has 16 divisors (see below), whose sum is σ = 800407186304. Its totient is φ = 300022026624.

The previous prime is 525152881277. The next prime is 525152881373. The reversal of 525152881281 is 182188251525.

It is not a de Polignac number, because 525152881281 - 2² = 525152881277 is a prime.

It is a super-3 number, since 3×525152881281³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525152881281.

It is not an unprimeable number, because it can be changed into a prime (525152881261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2623420 + ... + 2816493.

It is an arithmetic number, because the mean of its divisors is an integer number (50025449144).

Almost surely, 2^525152881281 is an apocalyptic number.

It is an amenable number.

525152881281 is a deficient number, since it is larger than the sum of its proper divisors (275254305023).

525152881281 is a wasteful number, since it uses less digits than its factorization.

525152881281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444520.

The product of its digits is 512000, while the sum is 48.

The spelling of 525152881281 in words is "five hundred twenty-five billion, one hundred fifty-two million, eight hundred eighty-one thousand, two hundred eighty-one".