45015221215256 has 64 divisors (see below), whose sum is σ = 89140698028800. Its totient is φ = 21252269808000.

The previous prime is 45015221215247. The next prime is 45015221215273. The reversal of 45015221215256 is 65251212251054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171583781 + ... + 171845931.

It is an arithmetic number, because the mean of its divisors is an integer number (1392823406700).

Almost surely, 2^{45015221215256} is an apocalyptic number.

It is an amenable number.

45015221215256 is a deficient number, since it is larger than the sum of its proper divisors (44125476813544).

45015221215256 is a wasteful number, since it uses less digits than its factorization.

45015221215256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265920 (or 265916 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 45015221215256 in words is "forty-five trillion, fifteen billion, two hundred twenty-one million, two hundred fifteen thousand, two hundred fifty-six".