545137817860 has 12 divisors (see below), whose sum is σ = 1144789417548. Its totient is φ = 218055127136.

The previous prime is 545137817839. The next prime is 545137817867. The reversal of 545137817860 is 68718731545.

It can be written as a sum of positive squares in 2 ways, for example, as 315482175684 + 229655642176 = 561678^2 + 479224^2 .

It is a super-2 number, since 2×545137817860² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545137817867) 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, 13628445427 + ... + 13628445466.

It is an arithmetic number, because the mean of its divisors is an integer number (95399118129).

Almost surely, 2^545137817860 is an apocalyptic number.

It is an amenable number.

545137817860 is an abundant number, since it is smaller than the sum of its proper divisors (599651599688).

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

545137817860 is a wasteful number, since it uses less digits than its factorization.

545137817860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27256890902 (or 27256890900 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 545137817860 in words is "five hundred forty-five billion, one hundred thirty-seven million, eight hundred seventeen thousand, eight hundred sixty".