1065366513431 has 16 divisors (see below), whose sum is σ = 1178656075008. Its totient is φ = 954818222400.

The previous prime is 1065366513397. The next prime is 1065366513493. The reversal of 1065366513431 is 1343156635601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1065366513431 is a prime.

It is a super-2 number, since 2×1065366513431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065366513331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19460960 + ... + 19515626.

It is an arithmetic number, because the mean of its divisors is an integer number (73666004688).

Almost surely, 2^{1065366513431} is an apocalyptic number.

1065366513431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1065366513431 is a deficient number, since it is larger than the sum of its proper divisors (113289561577).

1065366513431 is a wasteful number, since it uses less digits than its factorization.

1065366513431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79702.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 1065366513431 in words is "one trillion, sixty-five billion, three hundred sixty-six million, five hundred thirteen thousand, four hundred thirty-one".