501105213045 has 128 divisors (see below), whose sum is σ = 930383193600. Its totient is φ = 255582480384.

The previous prime is 501105213043. The next prime is 501105213067. The reversal of 501105213045 is 540312501105.

501105213045 is a `hidden beast` number, since 501 + 105 + 2 + 13 + 0 + 45 = 666.

It is not a de Polignac number, because 501105213045 - 2¹ = 501105213043 is a prime.

It is a super-2 number, since 2×501105213045² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501105213043) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 344875539 + ... + 344876991.

It is an arithmetic number, because the mean of its divisors is an integer number (7268618700).

Almost surely, 2^501105213045 is an apocalyptic number.

It is an amenable number.

501105213045 is a deficient number, since it is larger than the sum of its proper divisors (429277980555).

501105213045 is a wasteful number, since it uses less digits than its factorization.

501105213045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2270 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 501105213045 in words is "five hundred one billion, one hundred five million, two hundred thirteen thousand, forty-five".