1200110948857 has 2 divisors, whose sum is σ = 1200110948858. Its totient is φ = 1200110948856.

The previous prime is 1200110948837. The next prime is 1200110948891. The reversal of 1200110948857 is 7588490110021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006067174841 + 194043774016 = 1003029^2 + 440504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200110948857 - 2³⁹ = 650355134969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200110948837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600055474428 + 600055474429.

It is an arithmetic number, because the mean of its divisors is an integer number (600055474429).

Almost surely, 2^{1200110948857} is an apocalyptic number.

It is an amenable number.

1200110948857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200110948857 is an equidigital number, since it uses as much as digits as its factorization.

1200110948857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 46.

The spelling of 1200110948857 in words is "one trillion, two hundred billion, one hundred ten million, nine hundred forty-eight thousand, eight hundred fifty-seven".