451641116500515 has 48 divisors (see below), whose sum is σ = 783721349611200. Its totient is φ = 240605588388096.

The previous prime is 451641116500463. The next prime is 451641116500523. The reversal of 451641116500515 is 515005611146154.

451641116500515 is a `hidden beast` number, since 4 + 5 + 1 + 64 + 1 + 11 + 65 + 0 + 0 + 515 = 666.

It is not a de Polignac number, because 451641116500515 - 2¹³ = 451641116492323 is a prime.

It is a super-2 number, since 2×451641116500515² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 228428946 + ... + 230397624.

It is an arithmetic number, because the mean of its divisors is an integer number (16327528116900).

Almost surely, 2^{451641116500515} is an apocalyptic number.

451641116500515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

451641116500515 is a deficient number, since it is larger than the sum of its proper divisors (332080233110685).

451641116500515 is a wasteful number, since it uses less digits than its factorization.

451641116500515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974396 (or 1974393 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 45.

Adding to 451641116500515 its reverse (515005611146154), we get a palindrome (966646727646669).

The spelling of 451641116500515 in words is "four hundred fifty-one trillion, six hundred forty-one billion, one hundred sixteen million, five hundred thousand, five hundred fifteen".