45553123215 has 48 divisors (see below), whose sum is σ = 79820522496. Its totient is φ = 24031051200.

The previous prime is 45553123207. The next prime is 45553123249. The reversal of 45553123215 is 51232135554.

It is not a de Polignac number, because 45553123215 - 2³ = 45553123207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45553123215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1820922 + ... + 1845768.

It is an arithmetic number, because the mean of its divisors is an integer number (1662927552).

Almost surely, 2^45553123215 is an apocalyptic number.

45553123215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45553123215 is a deficient number, since it is larger than the sum of its proper divisors (34267399281).

45553123215 is a wasteful number, since it uses less digits than its factorization.

45553123215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25300 (or 25297 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

Adding to 45553123215 its reverse (51232135554), we get a palindrome (96785258769).

The spelling of 45553123215 in words is "forty-five billion, five hundred fifty-three million, one hundred twenty-three thousand, two hundred fifteen".