1040450661711 has 16 divisors (see below), whose sum is σ = 1547857804800. Its totient is φ = 690731536824.

The previous prime is 1040450661689. The next prime is 1040450661737. The reversal of 1040450661711 is 1171660540401.

It is not a de Polignac number, because 1040450661711 - 2⁷ = 1040450661583 is a prime.

It is a super-2 number, since 2×1040450661711² (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 (1040450661611) 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, 80611141 + ... + 80624046.

It is an arithmetic number, because the mean of its divisors is an integer number (96741112800).

Almost surely, 2^{1040450661711} is an apocalyptic number.

1040450661711 is a deficient number, since it is larger than the sum of its proper divisors (507407143089).

1040450661711 is a wasteful number, since it uses less digits than its factorization.

1040450661711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161235435 (or 161235429 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 1040450661711 in words is "one trillion, forty billion, four hundred fifty million, six hundred sixty-one thousand, seven hundred eleven".