25421165042060 has 24 divisors (see below), whose sum is σ = 54686506262976. Its totient is φ = 9920454650240.

The previous prime is 25421165042023. The next prime is 25421165042111. The reversal of 25421165042060 is 6024056112452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15500709572 + ... + 15500711211.

It is an arithmetic number, because the mean of its divisors is an integer number (2278604427624).

Almost surely, 2^{25421165042060} is an apocalyptic number.

25421165042060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25421165042060 is an abundant number, since it is smaller than the sum of its proper divisors (29265341220916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25421165042060 is a wasteful number, since it uses less digits than its factorization.

25421165042060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31001420833 (or 31001420831 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 25421165042060 in words is "twenty-five trillion, four hundred twenty-one billion, one hundred sixty-five million, forty-two thousand, sixty".