1084179262721 has 16 divisors (see below), whose sum is σ = 1146144236160. Its totient is φ = 1022707814400.

The previous prime is 1084179262717. The next prime is 1084179262723. The reversal of 1084179262721 is 1272629714801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1084179262721 - 2² = 1084179262717 is a prime.

It is a super-2 number, since 2×1084179262721² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1084179262721.

It is not an unprimeable number, because it can be changed into a prime (1084179262723) 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, 12413015 + ... + 12500051.

It is an arithmetic number, because the mean of its divisors is an integer number (71634014760).

Almost surely, 2^{1084179262721} is an apocalyptic number.

It is an amenable number.

1084179262721 is a deficient number, since it is larger than the sum of its proper divisors (61964973439).

1084179262721 is a wasteful number, since it uses less digits than its factorization.

1084179262721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89864.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 1084179262721 in words is "one trillion, eighty-four billion, one hundred seventy-nine million, two hundred sixty-two thousand, seven hundred twenty-one".