11115142078553 has 2 divisors, whose sum is σ = 11115142078554. Its totient is φ = 11115142078552.

The previous prime is 11115142078519. The next prime is 11115142078559. The reversal of 11115142078553 is 35587024151111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6001338756169 + 5113803322384 = 2449763^2 + 2261372^2 .

It is a cyclic number.

It is not a de Polignac number, because 11115142078553 - 2²⁶ = 11115074969689 is a prime.

It is not a weakly prime, because it can be changed into another prime (11115142078559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557571039276 + 5557571039277.

It is an arithmetic number, because the mean of its divisors is an integer number (5557571039277).

Almost surely, 2^{11115142078553} is an apocalyptic number.

It is an amenable number.

11115142078553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115142078553 is an equidigital number, since it uses as much as digits as its factorization.

11115142078553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 44.

The spelling of 11115142078553 in words is "eleven trillion, one hundred fifteen billion, one hundred forty-two million, seventy-eight thousand, five hundred fifty-three".