7105784133128 has 16 divisors (see below), whose sum is σ = 13323611814480. Its totient is φ = 3552820982608.

The previous prime is 7105784133121. The next prime is 7105784133131. The reversal of 7105784133128 is 8213314875017.

It is a super-2 number, since 2×7105784133128² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7105784133121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8459450 + ... + 9261417.

It is an arithmetic number, because the mean of its divisors is an integer number (832725738405).

Almost surely, 2^{7105784133128} is an apocalyptic number.

It is an amenable number.

7105784133128 is a deficient number, since it is larger than the sum of its proper divisors (6217827681352).

7105784133128 is a wasteful number, since it uses less digits than its factorization.

7105784133128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17770996 (or 17770992 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 7105784133128 in words is "seven trillion, one hundred five billion, seven hundred eighty-four million, one hundred thirty-three thousand, one hundred twenty-eight".