2581008126532 has 48 divisors (see below), whose sum is σ = 5009210760960. Its totient is φ = 1153859565600.

The previous prime is 2581008126451. The next prime is 2581008126533. The reversal of 2581008126532 is 2356218001852.

It is not an unprimeable number, because it can be changed into a prime (2581008126533) 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, 1317594 + ... + 2626417.

It is an arithmetic number, because the mean of its divisors is an integer number (104358557520).

Almost surely, 2^{2581008126532} is an apocalyptic number.

2581008126532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2581008126532 is a deficient number, since it is larger than the sum of its proper divisors (2428202634428).

2581008126532 is a wasteful number, since it uses less digits than its factorization.

2581008126532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944272 (or 3944270 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 2581008126532 in words is "two trillion, five hundred eighty-one billion, eight million, one hundred twenty-six thousand, five hundred thirty-two".