981153700771 has 2 divisors, whose sum is σ = 981153700772. Its totient is φ = 981153700770.

The previous prime is 981153700711. The next prime is 981153700819. The reversal of 981153700771 is 177007351189.

It is a happy number.

981153700771 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 a de Polignac number, because none of the positive numbers 2^k-981153700771 is a prime.

It is not a weakly prime, because it can be changed into another prime (981153700711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490576850385 + 490576850386.

It is an arithmetic number, because the mean of its divisors is an integer number (490576850386).

Almost surely, 2^981153700771 is an apocalyptic number.

981153700771 is a deficient number, since it is larger than the sum of its proper divisors (1).

981153700771 is an equidigital number, since it uses as much as digits as its factorization.

981153700771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 49.

The spelling of 981153700771 in words is "nine hundred eighty-one billion, one hundred fifty-three million, seven hundred thousand, seven hundred seventy-one".