11019955012357 has 2 divisors, whose sum is σ = 11019955012358. Its totient is φ = 11019955012356.

The previous prime is 11019955012303. The next prime is 11019955012399. The reversal of 11019955012357 is 75321055991011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10916508512196 + 103446500161 = 3304014^2 + 321631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11019955012357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11019955012357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11019955012057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5509977506178 + 5509977506179.

It is an arithmetic number, because the mean of its divisors is an integer number (5509977506179).

Almost surely, 2^{11019955012357} is an apocalyptic number.

It is an amenable number.

11019955012357 is a deficient number, since it is larger than the sum of its proper divisors (1).

11019955012357 is an equidigital number, since it uses as much as digits as its factorization.

11019955012357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 425250, while the sum is 49.

The spelling of 11019955012357 in words is "eleven trillion, nineteen billion, nine hundred fifty-five million, twelve thousand, three hundred fifty-seven".