1241215523993 has 2 divisors, whose sum is σ = 1241215523994. Its totient is φ = 1241215523992.

The previous prime is 1241215523987. The next prime is 1241215524053. The reversal of 1241215523993 is 3993255121421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644508712969 + 596706811024 = 802813^2 + 772468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241215523993 - 2³⁰ = 1240141782169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241215523983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620607761996 + 620607761997.

It is an arithmetic number, because the mean of its divisors is an integer number (620607761997).

Almost surely, 2^{1241215523993} is an apocalyptic number.

It is an amenable number.

1241215523993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241215523993 is an equidigital number, since it uses as much as digits as its factorization.

1241215523993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 47.

The spelling of 1241215523993 in words is "one trillion, two hundred forty-one billion, two hundred fifteen million, five hundred twenty-three thousand, nine hundred ninety-three".