11245519999997 has 2 divisors, whose sum is σ = 11245519999998. Its totient is φ = 11245519999996.

The previous prime is 11245519999981. The next prime is 11245520000003. The reversal of 11245519999997 is 79999991554211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7844542257721 + 3400977742276 = 2800811^2 + 1844174^2 .

It is a cyclic number.

It is not a de Polignac number, because 11245519999997 - 2⁴ = 11245519999981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11245519999937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5622759999998 + 5622759999999.

It is an arithmetic number, because the mean of its divisors is an integer number (5622759999999).

Almost surely, 2^{11245519999997} is an apocalyptic number.

It is an amenable number.

11245519999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11245519999997 is an equidigital number, since it uses as much as digits as its factorization.

11245519999997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 744017400, while the sum is 80.

The spelling of 11245519999997 in words is "eleven trillion, two hundred forty-five billion, five hundred nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-seven".