521041121140125 has 32 divisors (see below), whose sum is σ = 918013156504704. Its totient is φ = 261542209824000.

The previous prime is 521041121140097. The next prime is 521041121140151.

It is a happy number.

521041121140125 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 521041121140125 - 2⁹ = 521041121139613 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 521041121140092 and 521041121140101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40865963911 + ... + 40865976660.

It is an arithmetic number, because the mean of its divisors is an integer number (28687911140772).

Almost surely, 2^{521041121140125} is an apocalyptic number.

It is an amenable number.

521041121140125 is a deficient number, since it is larger than the sum of its proper divisors (396972035364579).

521041121140125 is a wasteful number, since it uses less digits than its factorization.

521041121140125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81731940606 (or 81731940596 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

The spelling of 521041121140125 in words is "five hundred twenty-one trillion, forty-one billion, one hundred twenty-one million, one hundred forty thousand, one hundred twenty-five".