257130155632060 has 24 divisors (see below), whose sum is σ = 540883905818256. Its totient is φ = 102678618635520.

The previous prime is 257130155632013. The next prime is 257130155632067. The reversal of 257130155632060 is 60236551031752.

It is a super-2 number, since 2×257130155632060² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 257130155632060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257130155632067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10840213926 + ... + 10840237645.

It is an arithmetic number, because the mean of its divisors is an integer number (22536829409094).

Almost surely, 2^{257130155632060} is an apocalyptic number.

257130155632060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

257130155632060 is an abundant number, since it is smaller than the sum of its proper divisors (283753750186196).

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

257130155632060 is a wasteful number, since it uses less digits than its factorization.

257130155632060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21680452173 (or 21680452171 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 257130155632060 in words is "two hundred fifty-seven trillion, one hundred thirty billion, one hundred fifty-five million, six hundred thirty-two thousand, sixty".