1071098904977 has 2 divisors, whose sum is σ = 1071098904978. Its totient is φ = 1071098904976.

The previous prime is 1071098904959. The next prime is 1071098904979. The reversal of 1071098904977 is 7794098901701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752939733841 + 318159171136 = 867721^2 + 564056^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071098904977 - 2¹⁶ = 1071098839441 is a prime.

It is a super-2 number, since 2×1071098904977² (a number of 25 digits) contains 22 as substring.

Together with 1071098904979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1071098904979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535549452488 + 535549452489.

It is an arithmetic number, because the mean of its divisors is an integer number (535549452489).

Almost surely, 2^{1071098904977} is an apocalyptic number.

It is an amenable number.

1071098904977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071098904977 is an equidigital number, since it uses as much as digits as its factorization.

1071098904977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 62.

The spelling of 1071098904977 in words is "one trillion, seventy-one billion, ninety-eight million, nine hundred four thousand, nine hundred seventy-seven".