2528508105531 has 40 divisors (see below), whose sum is σ = 3799166431280. Its totient is φ = 1675859632128.

The previous prime is 2528508105527. The next prime is 2528508105577. The reversal of 2528508105531 is 1355018058252.

2528508105531 is a `hidden beast` number, since 2 + 5 + 2 + 8 + 5 + 0 + 8 + 105 + 531 = 666.

It is not a de Polignac number, because 2528508105531 - 2² = 2528508105527 is a prime.

It is a super-2 number, since 2×2528508105531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528508105511) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24633291 + ... + 24735723.

It is an arithmetic number, because the mean of its divisors is an integer number (94979160782).

Almost surely, 2^{2528508105531} is an apocalyptic number.

2528508105531 is a deficient number, since it is larger than the sum of its proper divisors (1270658325749).

2528508105531 is a wasteful number, since it uses less digits than its factorization.

2528508105531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104217 (or 104208 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 45.

The spelling of 2528508105531 in words is "two trillion, five hundred twenty-eight billion, five hundred eight million, one hundred five thousand, five hundred thirty-one".