1011641757443 has 16 divisors (see below), whose sum is σ = 1018422813312. Its totient is φ = 1004887296000.

The previous prime is 1011641757439. The next prime is 1011641757473. The reversal of 1011641757443 is 3447571461101.

It is a cyclic number.

It is not a de Polignac number, because 1011641757443 - 2² = 1011641757439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011641757394 and 1011641757403.

It is not an unprimeable number, because it can be changed into a prime (1011641757433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196318355 + ... + 196323507.

It is an arithmetic number, because the mean of its divisors is an integer number (63651425832).

Almost surely, 2^{1011641757443} is an apocalyptic number.

1011641757443 is a deficient number, since it is larger than the sum of its proper divisors (6781055869).

1011641757443 is a wasteful number, since it uses less digits than its factorization.

1011641757443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 1011641757443 in words is "one trillion, eleven billion, six hundred forty-one million, seven hundred fifty-seven thousand, four hundred forty-three".