1021525113325 has 12 divisors (see below), whose sum is σ = 1266841430848. Its totient is φ = 817123129200.

The previous prime is 1021525113251. The next prime is 1021525113359. The reversal of 1021525113325 is 5233115251201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1021525113325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2208741 + ... + 2630890.

Almost surely, 2^{1021525113325} is an apocalyptic number.

It is an amenable number.

1021525113325 is a deficient number, since it is larger than the sum of its proper divisors (245316317523).

1021525113325 is an equidigital number, since it uses as much as digits as its factorization.

1021525113325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848084 (or 4848079 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 1021525113325 in words is "one trillion, twenty-one billion, five hundred twenty-five million, one hundred thirteen thousand, three hundred twenty-five".