1251946161083 has 2 divisors, whose sum is σ = 1251946161084. Its totient is φ = 1251946161082.

The previous prime is 1251946161001. The next prime is 1251946161157. The reversal of 1251946161083 is 3801616491521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1251946161083 - 2³⁰ = 1250872419259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1251946161383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625973080541 + 625973080542.

It is an arithmetic number, because the mean of its divisors is an integer number (625973080542).

Almost surely, 2^{1251946161083} is an apocalyptic number.

1251946161083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1251946161083 is an equidigital number, since it uses as much as digits as its factorization.

1251946161083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 1251946161083 in words is "one trillion, two hundred fifty-one billion, nine hundred forty-six million, one hundred sixty-one thousand, eighty-three".