257115727225052 has 12 divisors (see below), whose sum is σ = 460926974415936. Its totient is φ = 125422305963360.

The previous prime is 257115727225051. The next prime is 257115727225061. The reversal of 257115727225052 is 250522727511752.

It is a super-2 number, since 2×257115727225052² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 257115727224985 and 257115727225003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257115727225051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783889412108 + ... + 783889412435.

It is an arithmetic number, because the mean of its divisors is an integer number (38410581201328).

Almost surely, 2^{257115727225052} is an apocalyptic number.

It is an amenable number.

257115727225052 is a deficient number, since it is larger than the sum of its proper divisors (203811247190884).

257115727225052 is a wasteful number, since it uses less digits than its factorization.

257115727225052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567778824588 (or 1567778824586 counting only the distinct ones).

The product of its (nonzero) digits is 6860000, while the sum is 53.

The spelling of 257115727225052 in words is "two hundred fifty-seven trillion, one hundred fifteen billion, seven hundred twenty-seven million, two hundred twenty-five thousand, fifty-two".