45128551495815 has 12 divisors (see below), whose sum is σ = 78222822592824. Its totient is φ = 24068560797744.

The previous prime is 45128551495733. The next prime is 45128551495837. The reversal of 45128551495815 is 51859415582154.

45128551495815 is a `hidden beast` number, since 4 + 5 + 1 + 2 + 8 + 5 + 5 + 1 + 49 + 581 + 5 = 666.

It is not a de Polignac number, because 45128551495815 - 2¹³ = 45128551487623 is a prime.

It is a super-2 number, since 2×45128551495815² (a number of 28 digits) contains 22 as substring.

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, 501428349909 + ... + 501428349998.

It is an arithmetic number, because the mean of its divisors is an integer number (6518568549402).

Almost surely, 2^{45128551495815} is an apocalyptic number.

45128551495815 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45128551495815 is a deficient number, since it is larger than the sum of its proper divisors (33094271097009).

45128551495815 is a wasteful number, since it uses less digits than its factorization.

45128551495815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002856699918 (or 1002856699915 counting only the distinct ones).

The product of its digits is 57600000, while the sum is 63.

The spelling of 45128551495815 in words is "forty-five trillion, one hundred twenty-eight billion, five hundred fifty-one million, four hundred ninety-five thousand, eight hundred fifteen".