545125665786 has 64 divisors (see below), whose sum is σ = 1206325201536. Its totient is φ = 163154073600.

The previous prime is 545125665781. The next prime is 545125665793. The reversal of 545125665786 is 687566521545.

It is not an unprimeable number, because it can be changed into a prime (545125665781) 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 31 ways as a sum of consecutive naturals, for example, 824821 + ... + 1330631.

It is an arithmetic number, because the mean of its divisors is an integer number (18848831274).

Almost surely, 2^545125665786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545125665786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603162600768).

545125665786 is an abundant number, since it is smaller than the sum of its proper divisors (661199535750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545125665786 is a wasteful number, since it uses less digits than its factorization.

545125665786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506207.

The product of its digits is 60480000, while the sum is 60.

The spelling of 545125665786 in words is "five hundred forty-five billion, one hundred twenty-five million, six hundred sixty-five thousand, seven hundred eighty-six".