545140312011 has 48 divisors (see below), whose sum is σ = 860716715040. Its totient is φ = 331299901440.

The previous prime is 545140312007. The next prime is 545140312033. The reversal of 545140312011 is 110213041545.

545140312011 is a `hidden beast` number, since 5 + 4 + 51 + 403 + 1 + 201 + 1 = 666.

It is not a de Polignac number, because 545140312011 - 2² = 545140312007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545140312001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20766 + ... + 1044371.

It is an arithmetic number, because the mean of its divisors is an integer number (17931598230).

Almost surely, 2^545140312011 is an apocalyptic number.

545140312011 is a deficient number, since it is larger than the sum of its proper divisors (315576403029).

545140312011 is a wasteful number, since it uses less digits than its factorization.

545140312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065276 (or 1065273 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 545140312011 its reverse (110213041545), we get a palindrome (655353353556).

The spelling of 545140312011 in words is "five hundred forty-five billion, one hundred forty million, three hundred twelve thousand, eleven".