11047980731 has 2 divisors, whose sum is σ = 11047980732. Its totient is φ = 11047980730.

The previous prime is 11047980707. The next prime is 11047980743. The reversal of 11047980731 is 13708974011.

11047980731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11047980731 - 2³⁰ = 9974238907 is a prime.

It is a super-2 number, since 2×11047980731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11047980781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5523990365 + 5523990366.

It is an arithmetic number, because the mean of its divisors is an integer number (5523990366).

Almost surely, 2^11047980731 is an apocalyptic number.

11047980731 is a deficient number, since it is larger than the sum of its proper divisors (1).

11047980731 is an equidigital number, since it uses as much as digits as its factorization.

11047980731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 11047980731 in words is "eleven billion, forty-seven million, nine hundred eighty thousand, seven hundred thirty-one".