1003512421225 has 24 divisors (see below), whose sum is σ = 1317608667648. Its totient is φ = 755553772800.

The previous prime is 1003512421189. The next prime is 1003512421271. The reversal of 1003512421225 is 5221242153001.

It is a happy number.

It is not a de Polignac number, because 1003512421225 - 2¹¹ = 1003512419177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003512421193 and 1003512421202.

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, 16104880 + ... + 16167070.

It is an arithmetic number, because the mean of its divisors is an integer number (54900361152).

Almost surely, 2^{1003512421225} is an apocalyptic number.

It is an amenable number.

1003512421225 is a deficient number, since it is larger than the sum of its proper divisors (314096246423).

1003512421225 is a wasteful number, since it uses less digits than its factorization.

1003512421225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100185 (or 100180 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1003512421225 its reverse (5221242153001), we get a palindrome (6224754574226).

The spelling of 1003512421225 in words is "one trillion, three billion, five hundred twelve million, four hundred twenty-one thousand, two hundred twenty-five".