1525035225121 has 8 divisors (see below), whose sum is σ = 1550076402600. Its totient is φ = 1499995357440.

The previous prime is 1525035225113. The next prime is 1525035225127. The reversal of 1525035225121 is 1215225305251.

It can be written as a sum of positive squares in 4 ways, for example, as 181033230400 + 1344001994721 = 425480^2 + 1159311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1525035225121 - 2³ = 1525035225113 is a prime.

It is a super-3 number, since 3×1525035225121³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1525035225127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2176185 + ... + 2790313.

It is an arithmetic number, because the mean of its divisors is an integer number (193759550325).

Almost surely, 2^{1525035225121} is an apocalyptic number.

It is an amenable number.

1525035225121 is a deficient number, since it is larger than the sum of its proper divisors (25041177479).

1525035225121 is an equidigital number, since it uses as much as digits as its factorization.

1525035225121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654899.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 1525035225121 in words is "one trillion, five hundred twenty-five billion, thirty-five million, two hundred twenty-five thousand, one hundred twenty-one".