103111033019957 has 2 divisors, whose sum is σ = 103111033019958. Its totient is φ = 103111033019956.

The previous prime is 103111033019941. The next prime is 103111033020067. The reversal of 103111033019957 is 759910330111301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93231364498321 + 9879668521636 = 9655639^2 + 3143194^2 .

It is a cyclic number.

It is not a de Polignac number, because 103111033019957 - 2⁴ = 103111033019941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103111033012957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51555516509978 + 51555516509979.

It is an arithmetic number, because the mean of its divisors is an integer number (51555516509979).

Almost surely, 2^{103111033019957} is an apocalyptic number.

It is an amenable number.

103111033019957 is a deficient number, since it is larger than the sum of its proper divisors (1).

103111033019957 is an equidigital number, since it uses as much as digits as its factorization.

103111033019957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76545, while the sum is 44.

The spelling of 103111033019957 in words is "one hundred three trillion, one hundred eleven billion, thirty-three million, nineteen thousand, nine hundred fifty-seven".