257148103052 has 6 divisors (see below), whose sum is σ = 450009180348. Its totient is φ = 128574051524.

The previous prime is 257148103039. The next prime is 257148103109. The reversal of 257148103052 is 250301841752.

It is a super-2 number, since 2×257148103052² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 257148102997 and 257148103015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32143512878 + ... + 32143512885.

It is an arithmetic number, because the mean of its divisors is an integer number (75001530058).

Almost surely, 2^257148103052 is an apocalyptic number.

It is an amenable number.

257148103052 is a deficient number, since it is larger than the sum of its proper divisors (192861077296).

257148103052 is a wasteful number, since it uses less digits than its factorization.

257148103052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64287025767 (or 64287025765 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 257148103052 in words is "two hundred fifty-seven billion, one hundred forty-eight million, one hundred three thousand, fifty-two".