611425666103 has 4 divisors (see below), whose sum is σ = 698772189840. Its totient is φ = 524079142368.

The previous prime is 611425666087. The next prime is 611425666109. The reversal of 611425666103 is 301666524116.

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

It is a cyclic number.

It is not a de Polignac number, because 611425666103 - 2⁴ = 611425666087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611425666109) 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, 43673261858 + ... + 43673261871.

It is an arithmetic number, because the mean of its divisors is an integer number (174693047460).

Almost surely, 2^611425666103 is an apocalyptic number.

611425666103 is a deficient number, since it is larger than the sum of its proper divisors (87346523737).

611425666103 is an equidigital number, since it uses as much as digits as its factorization.

611425666103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87346523736.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 611425666103 in words is "six hundred eleven billion, four hundred twenty-five million, six hundred sixty-six thousand, one hundred three".