1100531079844 has 27 divisors (see below), whose sum is σ = 2240396739777. Its totient is φ = 471649882704.

The previous prime is 1100531079827. The next prime is 1100531079863. The reversal of 1100531079844 is 4489701350011.

It is a happy number.

The square root of 1100531079844 is 1049062.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 434531456100 + 665999623744 = 659190^2 + 816088^2 .

It is a super-2 number, since 2×1100531079844² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1100531079844.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14649402 + ... + 14724334.

Almost surely, 2^{1100531079844} is an apocalyptic number.

1100531079844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1100531079844 is the 1049062-nd square number.

It is an amenable number.

1100531079844 is an abundant number, since it is smaller than the sum of its proper divisors (1139865659933).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100531079844 is an frugal number, since it uses more digits than its factorization.

1100531079844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149884 (or 74942 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 1100531079844 in words is "one trillion, one hundred billion, five hundred thirty-one million, seventy-nine thousand, eight hundred forty-four".