45513505215 has 12 divisors (see below), whose sum is σ = 78890075784. Its totient is φ = 24273869424.

The previous prime is 45513505157. The next prime is 45513505223. The reversal of 45513505215 is 51250531554.

45513505215 is a `hidden beast` number, since 4 + 551 + 3 + 50 + 52 + 1 + 5 = 666.

It is not a de Polignac number, because 45513505215 - 2²⁷ = 45379287487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45513505215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505705569 + ... + 505705658.

It is an arithmetic number, because the mean of its divisors is an integer number (6574172982).

Almost surely, 2^45513505215 is an apocalyptic number.

45513505215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45513505215 is a deficient number, since it is larger than the sum of its proper divisors (33376570569).

45513505215 is a wasteful number, since it uses less digits than its factorization.

45513505215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011411238 (or 1011411235 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 45513505215 in words is "forty-five billion, five hundred thirteen million, five hundred five thousand, two hundred fifteen".