5651284815 has 128 divisors (see below), whose sum is σ = 11350886400. Its totient is φ = 2643840000.

The previous prime is 5651284813. The next prime is 5651284867. The reversal of 5651284815 is 5184821565.

5651284815 is a `hidden beast` number, since 56 + 512 + 8 + 4 + 81 + 5 = 666.

It is not a de Polignac number, because 5651284815 - 2¹ = 5651284813 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651284811) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6148926 + ... + 6149844.

It is an arithmetic number, because the mean of its divisors is an integer number (88678800).

Almost surely, 2^5651284815 is an apocalyptic number.

5651284815 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5651284815 is an abundant number, since it is smaller than the sum of its proper divisors (5699601585).

5651284815 is a wasteful number, since it uses less digits than its factorization.

5651284815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1080 counting only the distinct ones).

The product of its digits is 384000, while the sum is 45.

The square root of 5651284815 is about 75175.0278683021. The cubic root of 5651284815 is about 1781.2124902905.

The spelling of 5651284815 in words is "five billion, six hundred fifty-one million, two hundred eighty-four thousand, eight hundred fifteen".