1625559848748 has 120 divisors (see below), whose sum is σ = 4643759381184. Its totient is φ = 491754088800.

The previous prime is 1625559848743. The next prime is 1625559848761. The reversal of 1625559848748 is 8478489555261.

1625559848748 is a `hidden beast` number, since 1 + 6 + 2 + 5 + 55 + 98 + 487 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1625559848743) 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, 1703563 + ... + 2480573.

Almost surely, 2^{1625559848748} is an apocalyptic number.

1625559848748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1625559848748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2321879690592).

1625559848748 is an abundant number, since it is smaller than the sum of its proper divisors (3018199532436).

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

1625559848748 is a wasteful number, since it uses less digits than its factorization.

1625559848748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777625 (or 777614 counting only the distinct ones).

The product of its digits is 774144000, while the sum is 72.

The spelling of 1625559848748 in words is "one trillion, six hundred twenty-five billion, five hundred fifty-nine million, eight hundred forty-eight thousand, seven hundred forty-eight".