545215110312 has 32 divisors (see below), whose sum is σ = 1392038582400. Its totient is φ = 177871595904.

The previous prime is 545215110311. The next prime is 545215110329. The reversal of 545215110312 is 213011512545.

It is a self number, because there is not a number n which added to its sum of digits gives 545215110312.

It is not an unprimeable number, because it can be changed into a prime (545215110311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241672237 + ... + 241674492.

It is an arithmetic number, because the mean of its divisors is an integer number (43501205700).

Almost surely, 2^545215110312 is an apocalyptic number.

It is an amenable number.

545215110312 is an abundant number, since it is smaller than the sum of its proper divisors (846823472088).

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

545215110312 is a wasteful number, since it uses less digits than its factorization.

545215110312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483346785 (or 483346781 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 545215110312 its reverse (213011512545), we get a palindrome (758226622857).

The spelling of 545215110312 in words is "five hundred forty-five billion, two hundred fifteen million, one hundred ten thousand, three hundred twelve".