1165504441642 has 32 divisors (see below), whose sum is σ = 1765360396800. Its totient is φ = 577081705968.

The previous prime is 1165504441631. The next prime is 1165504441649. The reversal of 1165504441642 is 2461444055611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1165504441649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138367443 + ... + 138375865.

It is an arithmetic number, because the mean of its divisors is an integer number (55167512400).

Almost surely, 2^{1165504441642} is an apocalyptic number.

1165504441642 is a deficient number, since it is larger than the sum of its proper divisors (599855955158).

1165504441642 is a wasteful number, since it uses less digits than its factorization.

1165504441642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 1165504441642 in words is "one trillion, one hundred sixty-five billion, five hundred four million, four hundred forty-one thousand, six hundred forty-two".