1105701721072 has 40 divisors (see below), whose sum is σ = 2350619175744. Its totient is φ = 500695113984.

The previous prime is 1105701721049. The next prime is 1105701721129. The reversal of 1105701721072 is 2701271075011.

It is a super-3 number, since 3×1105701721072³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50138728 + ... + 50160775.

Almost surely, 2^{1105701721072} is an apocalyptic number.

It is an amenable number.

1105701721072 is an abundant number, since it is smaller than the sum of its proper divisors (1244917454672).

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

1105701721072 is a wasteful number, since it uses less digits than its factorization.

1105701721072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100299577 (or 100299571 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 34.

Adding to 1105701721072 its reverse (2701271075011), we get a palindrome (3806972796083).

The spelling of 1105701721072 in words is "one trillion, one hundred five billion, seven hundred one million, seven hundred twenty-one thousand, seventy-two".