4121525145231 has 32 divisors (see below), whose sum is σ = 6581614878720. Its totient is φ = 2534023451232.

The previous prime is 4121525145223. The next prime is 4121525145293. The reversal of 4121525145231 is 1325415251214.

4121525145231 is a `hidden beast` number, since 4 + 1 + 2 + 152 + 51 + 452 + 3 + 1 = 666.

It is not a de Polignac number, because 4121525145231 - 2³ = 4121525145223 is a prime.

It is a super-2 number, since 2×4121525145231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121525145131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4935711 + ... + 5710016.

It is an arithmetic number, because the mean of its divisors is an integer number (205675464960).

Almost surely, 2^{4121525145231} is an apocalyptic number.

4121525145231 is a deficient number, since it is larger than the sum of its proper divisors (2460089733489).

4121525145231 is a wasteful number, since it uses less digits than its factorization.

4121525145231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646852 (or 10646846 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The spelling of 4121525145231 in words is "four trillion, one hundred twenty-one billion, five hundred twenty-five million, one hundred forty-five thousand, two hundred thirty-one".