121403153313163 has 2 divisors, whose sum is σ = 121403153313164. Its totient is φ = 121403153313162.

The previous prime is 121403153313119. The next prime is 121403153313179. The reversal of 121403153313163 is 361313351304121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121403153313163 is a prime.

It is not a weakly prime, because it can be changed into another prime (121403153313193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60701576656581 + 60701576656582.

It is an arithmetic number, because the mean of its divisors is an integer number (60701576656582).

Almost surely, 2^{121403153313163} is an apocalyptic number.

121403153313163 is a deficient number, since it is larger than the sum of its proper divisors (1).

121403153313163 is an equidigital number, since it uses as much as digits as its factorization.

121403153313163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 121403153313163 in words is "one hundred twenty-one trillion, four hundred three billion, one hundred fifty-three million, three hundred thirteen thousand, one hundred sixty-three".