1611000103255 has 4 divisors (see below), whose sum is σ = 1933200123912. Its totient is φ = 1288800082600.

The previous prime is 1611000103231. The next prime is 1611000103267. The reversal of 1611000103255 is 5523010001161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1611000103255 - 2⁷ = 1611000103127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161100010321 + ... + 161100010330.

It is an arithmetic number, because the mean of its divisors is an integer number (483300030978).

Almost surely, 2^{1611000103255} is an apocalyptic number.

1611000103255 is a deficient number, since it is larger than the sum of its proper divisors (322200020657).

1611000103255 is an equidigital number, since it uses as much as digits as its factorization.

1611000103255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322200020656.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 1611000103255 in words is "one trillion, six hundred eleven billion, one hundred three thousand, two hundred fifty-five".