4101521442025 has 72 divisors (see below), whose sum is σ = 5934752276544. Its totient is φ = 2803682851200.

The previous prime is 4101521442017. The next prime is 4101521442059. The reversal of 4101521442025 is 5202441251014.

It is not a de Polignac number, because 4101521442025 - 2³ = 4101521442017 is a prime.

It is a super-2 number, since 2×4101521442025² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 624181990 + ... + 624188560.

It is an arithmetic number, because the mean of its divisors is an integer number (82427114952).

Almost surely, 2^{4101521442025} is an apocalyptic number.

It is an amenable number.

4101521442025 is a deficient number, since it is larger than the sum of its proper divisors (1833230834519).

4101521442025 is a wasteful number, since it uses less digits than its factorization.

4101521442025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111 (or 8099 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 4101521442025 its reverse (5202441251014), we get a palindrome (9303962693039).

The spelling of 4101521442025 in words is "four trillion, one hundred one billion, five hundred twenty-one million, four hundred forty-two thousand, twenty-five".