1121165041487 has 2 divisors, whose sum is σ = 1121165041488. Its totient is φ = 1121165041486.

The previous prime is 1121165041393. The next prime is 1121165041499. The reversal of 1121165041487 is 7841405611211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121165041487 - 2²⁶ = 1121097932623 is a prime.

It is a super-2 number, since 2×1121165041487² (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 (1121165041387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560582520743 + 560582520744.

It is an arithmetic number, because the mean of its divisors is an integer number (560582520744).

Almost surely, 2^{1121165041487} is an apocalyptic number.

1121165041487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121165041487 is an equidigital number, since it uses as much as digits as its factorization.

1121165041487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 1121165041487 in words is "one trillion, one hundred twenty-one billion, one hundred sixty-five million, forty-one thousand, four hundred eighty-seven".