45121215411 has 24 divisors (see below), whose sum is σ = 66443794560. Its totient is φ = 29495920896.

The previous prime is 45121215361. The next prime is 45121215421. The reversal of 45121215411 is 11451212154.

It is not a de Polignac number, because 45121215411 - 2¹⁴ = 45121199027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45121215421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 812155 + ... + 865931.

It is an arithmetic number, because the mean of its divisors is an integer number (2768491440).

Almost surely, 2^45121215411 is an apocalyptic number.

45121215411 is a deficient number, since it is larger than the sum of its proper divisors (21322579149).

45121215411 is a wasteful number, since it uses less digits than its factorization.

45121215411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55595 (or 55592 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

Adding to 45121215411 its reverse (11451212154), we get a palindrome (56572427565).

It can be divided in two parts, 451212154 and 11, that multiplied together give a palindrome (4963333694).

The spelling of 45121215411 in words is "forty-five billion, one hundred twenty-one million, two hundred fifteen thousand, four hundred eleven".