11981053759 has 2 divisors, whose sum is σ = 11981053760. Its totient is φ = 11981053758.

The previous prime is 11981053723. The next prime is 11981053769. The reversal of 11981053759 is 95735018911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11981053759 - 2¹⁵ = 11981020991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11981053769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5990526879 + 5990526880.

It is an arithmetic number, because the mean of its divisors is an integer number (5990526880).

Almost surely, 2^11981053759 is an apocalyptic number.

11981053759 is a deficient number, since it is larger than the sum of its proper divisors (1).

11981053759 is an equidigital number, since it uses as much as digits as its factorization.

11981053759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 49.

The spelling of 11981053759 in words is "eleven billion, nine hundred eighty-one million, fifty-three thousand, seven hundred fifty-nine".