45315212215013 has 4 divisors (see below), whose sum is σ = 48800997770028. Its totient is φ = 41829426660000.

The previous prime is 45315212215003. The next prime is 45315212215019. The reversal of 45315212215013 is 31051221251354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23289667927969 + 22025544287044 = 4825937^2 + 4693138^2 .

It is a cyclic number.

It is not a de Polignac number, because 45315212215013 - 2⁶ = 45315212214949 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 (45315212215019) 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 3 ways as a sum of consecutive naturals, for example, 1742892777488 + ... + 1742892777513.

It is an arithmetic number, because the mean of its divisors is an integer number (12200249442507).

Almost surely, 2^{45315212215013} is an apocalyptic number.

It is an amenable number.

45315212215013 is a deficient number, since it is larger than the sum of its proper divisors (3485785555015).

45315212215013 is a wasteful number, since it uses less digits than its factorization.

45315212215013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485785555014.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 45315212215013 its reverse (31051221251354), we get a palindrome (76366433466367).

The spelling of 45315212215013 in words is "forty-five trillion, three hundred fifteen billion, two hundred twelve million, two hundred fifteen thousand, thirteen".