1125028660178 has 4 divisors (see below), whose sum is σ = 1687542990270. Its totient is φ = 562514330088.

The previous prime is 1125028660127. The next prime is 1125028660181. The reversal of 1125028660178 is 8710668205211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 987095899729 + 137932760449 = 993527^2 + 371393^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281257165043 + ... + 281257165046.

Almost surely, 2^{1125028660178} is an apocalyptic number.

1125028660178 is a deficient number, since it is larger than the sum of its proper divisors (562514330092).

1125028660178 is an equidigital number, since it uses as much as digits as its factorization.

1125028660178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562514330091.

The product of its (nonzero) digits is 322560, while the sum is 47.

The spelling of 1125028660178 in words is "one trillion, one hundred twenty-five billion, twenty-eight million, six hundred sixty thousand, one hundred seventy-eight".