1103426128719 has 40 divisors (see below), whose sum is σ = 1704767644800. Its totient is φ = 710520595200.

The previous prime is 1103426128667. The next prime is 1103426128823. The reversal of 1103426128719 is 9178216243011.

1103426128719 is a `hidden beast` number, since 1 + 10 + 3 + 4 + 2 + 612 + 8 + 7 + 19 = 666.

It is not a de Polignac number, because 1103426128719 - 2¹³ = 1103426120527 is a prime.

It is a super-3 number, since 3×1103426128719³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103426128319) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 886507 + ... + 1729955.

It is an arithmetic number, because the mean of its divisors is an integer number (42619191120).

Almost surely, 2^{1103426128719} is an apocalyptic number.

1103426128719 is a deficient number, since it is larger than the sum of its proper divisors (601341516081).

1103426128719 is an equidigital number, since it uses as much as digits as its factorization.

1103426128719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844013 (or 844004 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 1103426128719 in words is "one trillion, one hundred three billion, four hundred twenty-six million, one hundred twenty-eight thousand, seven hundred nineteen".