1071440459511 has 32 divisors (see below), whose sum is σ = 1518806412288. Its totient is φ = 669529136640.

The previous prime is 1071440459459. The next prime is 1071440459513. The reversal of 1071440459511 is 1159540441701.

It is not a de Polignac number, because 1071440459511 - 2²⁷ = 1071306241783 is a prime.

It is a super-2 number, since 2×1071440459511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071440459513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58028821 + ... + 58047281.

It is an arithmetic number, because the mean of its divisors is an integer number (47462700384).

Almost surely, 2^{1071440459511} is an apocalyptic number.

1071440459511 is a deficient number, since it is larger than the sum of its proper divisors (447365952777).

1071440459511 is a wasteful number, since it uses less digits than its factorization.

1071440459511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23071.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 1071440459511 in words is "one trillion, seventy-one billion, four hundred forty million, four hundred fifty-nine thousand, five hundred eleven".