11043757806997 has 2 divisors, whose sum is σ = 11043757806998. Its totient is φ = 11043757806996.

The previous prime is 11043757806959. The next prime is 11043757807021. The reversal of 11043757806997 is 79960875734011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6340797392836 + 4702960414161 = 2518094^2 + 2168631^2 .

It is a cyclic number.

It is not a de Polignac number, because 11043757806997 - 2³⁹ = 10494001993109 is a prime.

It is a super-3 number, since 3×11043757806997³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11043757806797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521878903498 + 5521878903499.

It is an arithmetic number, because the mean of its divisors is an integer number (5521878903499).

Almost surely, 2^{11043757806997} is an apocalyptic number.

It is an amenable number.

11043757806997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11043757806997 is an equidigital number, since it uses as much as digits as its factorization.

11043757806997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80015040, while the sum is 67.

The spelling of 11043757806997 in words is "eleven trillion, forty-three billion, seven hundred fifty-seven million, eight hundred six thousand, nine hundred ninety-seven".