1611103245 has 16 divisors (see below), whose sum is σ = 2614073472. Its totient is φ = 847152320.

The previous prime is 1611103223. The next prime is 1611103267. The reversal of 1611103245 is 5423011161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1611103223) and next prime (1611103267).

It is not a de Polignac number, because 1611103245 - 2⁵ = 1611103213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755322 + ... + 757451.

It is an arithmetic number, because the mean of its divisors is an integer number (163379592).

Almost surely, 2^1611103245 is an apocalyptic number.

1611103245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1611103245 is a deficient number, since it is larger than the sum of its proper divisors (1002970227).

1611103245 is a wasteful number, since it uses less digits than its factorization.

1611103245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512852.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1611103245 is about 40138.5506091089. The cubic root of 1611103245 is about 1172.3063680985.

The spelling of 1611103245 in words is "one billion, six hundred eleven million, one hundred three thousand, two hundred forty-five".