1252725787524 has 48 divisors (see below), whose sum is σ = 3057572730240. Its totient is φ = 398443203840.

The previous prime is 1252725787513. The next prime is 1252725787531. The reversal of 1252725787524 is 4257875272521.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5435847 + ... + 5661614.

It is an arithmetic number, because the mean of its divisors is an integer number (63699431880).

Almost surely, 2^{1252725787524} is an apocalyptic number.

It is an amenable number.

1252725787524 is an abundant number, since it is smaller than the sum of its proper divisors (1804846942716).

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

1252725787524 is a wasteful number, since it uses less digits than its factorization.

1252725787524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11097900 (or 11097898 counting only the distinct ones).

The product of its digits is 21952000, while the sum is 57.

The spelling of 1252725787524 in words is "one trillion, two hundred fifty-two billion, seven hundred twenty-five million, seven hundred eighty-seven thousand, five hundred twenty-four".