545591686195545 has 64 divisors (see below), whose sum is σ = 953360900248320. Its totient is φ = 264236287795200.

The previous prime is 545591686195541. The next prime is 545591686195553.

545591686195545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545591686195545 - 2² = 545591686195541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545591686195541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 563855055 + ... + 564821835.

It is an arithmetic number, because the mean of its divisors is an integer number (14896264066380).

Almost surely, 2^{545591686195545} is an apocalyptic number.

545591686195545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545591686195545 is a deficient number, since it is larger than the sum of its proper divisors (407769214052775).

545591686195545 is a wasteful number, since it uses less digits than its factorization.

545591686195545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970586.

The product of its digits is 5832000000, while the sum is 78.

The spelling of 545591686195545 in words is "five hundred forty-five trillion, five hundred ninety-one billion, six hundred eighty-six million, one hundred ninety-five thousand, five hundred forty-five".