25543314064050 has 96 divisors (see below), whose sum is σ = 66148916198400. Its totient is φ = 6510737640000.

The previous prime is 25543314064013. The next prime is 25543314064097. The reversal of 25543314064050 is 5046041334552.

It is a junction number, because it is equal to n+sod(n) for n = 25543314063993 and 25543314064011.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2180425 + ... + 7472675.

It is an arithmetic number, because the mean of its divisors is an integer number (689051210400).

Almost surely, 2^{25543314064050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25543314064050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33074458099200).

25543314064050 is an abundant number, since it is smaller than the sum of its proper divisors (40605602134350).

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

25543314064050 is a wasteful number, since it uses less digits than its factorization.

25543314064050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293688 (or 5293683 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 25543314064050 in words is "twenty-five trillion, five hundred forty-three billion, three hundred fourteen million, sixty-four thousand, fifty".