1071090617447 has 2 divisors, whose sum is σ = 1071090617448. Its totient is φ = 1071090617446.

The previous prime is 1071090617413. The next prime is 1071090617477. The reversal of 1071090617447 is 7447160901701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1071090617447 - 2²⁸ = 1070822181991 is a prime.

It is a super-2 number, since 2×1071090617447² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071090617407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535545308723 + 535545308724.

It is an arithmetic number, because the mean of its divisors is an integer number (535545308724).

Almost surely, 2^{1071090617447} is an apocalyptic number.

1071090617447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071090617447 is an equidigital number, since it uses as much as digits as its factorization.

1071090617447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 47.

The spelling of 1071090617447 in words is "one trillion, seventy-one billion, ninety million, six hundred seventeen thousand, four hundred forty-seven".