1611125903703 has 16 divisors (see below), whose sum is σ = 2174463877376. Its totient is φ = 1060978279680.

The previous prime is 1611125903671. The next prime is 1611125903719. The reversal of 1611125903703 is 3073095211161.

It is not a de Polignac number, because 1611125903703 - 2⁵ = 1611125903671 is a prime.

It is a super-2 number, since 2×1611125903703² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611125903773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5140843 + ... + 5445228.

It is an arithmetic number, because the mean of its divisors is an integer number (135903992336).

Almost surely, 2^{1611125903703} is an apocalyptic number.

1611125903703 is a deficient number, since it is larger than the sum of its proper divisors (563337973673).

1611125903703 is a wasteful number, since it uses less digits than its factorization.

1611125903703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586694.

The product of its (nonzero) digits is 34020, while the sum is 39.

The spelling of 1611125903703 in words is "one trillion, six hundred eleven billion, one hundred twenty-five million, nine hundred three thousand, seven hundred three".