45111352314221 has 4 divisors (see below), whose sum is σ = 45111365850432. Its totient is φ = 45111338778012.

The previous prime is 45111352314143. The next prime is 45111352314247. The reversal of 45111352314221 is 12241325311154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45111352314221 - 2⁴² = 40713305803117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45111352319221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132750 + ... + 9735056.

It is an arithmetic number, because the mean of its divisors is an integer number (11277841462608).

Almost surely, 2^{45111352314221} is an apocalyptic number.

It is an amenable number.

45111352314221 is a deficient number, since it is larger than the sum of its proper divisors (13536211).

45111352314221 is an equidigital number, since it uses as much as digits as its factorization.

45111352314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13536210.

The product of its digits is 28800, while the sum is 35.

Adding to 45111352314221 its reverse (12241325311154), we get a palindrome (57352677625375).

The spelling of 45111352314221 in words is "forty-five trillion, one hundred eleven billion, three hundred fifty-two million, three hundred fourteen thousand, two hundred twenty-one".