25533512105450 has 48 divisors (see below), whose sum is σ = 47522001980544. Its totient is φ = 10207026432000.

The previous prime is 25533512105411. The next prime is 25533512105461. The reversal of 25533512105450 is 5450121533552.

It is a junction number, because it is equal to n+sod(n) for n = 25533512105398 and 25533512105407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550849775 + ... + 550896125.

It is an arithmetic number, because the mean of its divisors is an integer number (990041707928).

Almost surely, 2^{25533512105450} is an apocalyptic number.

25533512105450 is a deficient number, since it is larger than the sum of its proper divisors (21988489875094).

25533512105450 is a wasteful number, since it uses less digits than its factorization.

25533512105450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53007 (or 53002 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 25533512105450 in words is "twenty-five trillion, five hundred thirty-three billion, five hundred twelve million, one hundred five thousand, four hundred fifty".