1254543025416 has 128 divisors (see below), whose sum is σ = 3234237552000. Its totient is φ = 405271296000.

The previous prime is 1254543025403. The next prime is 1254543025427. The reversal of 1254543025416 is 6145203454521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181840735 + ... + 181847633.

It is an arithmetic number, because the mean of its divisors is an integer number (25267480875).

Almost surely, 2^{1254543025416} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1254543025416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617118776000).

1254543025416 is an abundant number, since it is smaller than the sum of its proper divisors (1979694526584).

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

1254543025416 is a wasteful number, since it uses less digits than its factorization.

1254543025416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151 (or 8147 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 1254543025416 its reverse (6145203454521), we get a palindrome (7399746479937).

The spelling of 1254543025416 in words is "one trillion, two hundred fifty-four billion, five hundred forty-three million, twenty-five thousand, four hundred sixteen".