8015478551 has 2 divisors, whose sum is σ = 8015478552. Its totient is φ = 8015478550.

The previous prime is 8015478439. The next prime is 8015478553. The reversal of 8015478551 is 1558745108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8015478551 - 2¹⁴ = 8015462167 is a prime.

Together with 8015478553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8015478553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4007739275 + 4007739276.

It is an arithmetic number, because the mean of its divisors is an integer number (4007739276).

Almost surely, 2^8015478551 is an apocalyptic number.

8015478551 is a deficient number, since it is larger than the sum of its proper divisors (1).

8015478551 is an equidigital number, since it uses as much as digits as its factorization.

8015478551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224000, while the sum is 44.

The square root of 8015478551 is about 89529.2050171339. The cubic root of 8015478551 is about 2001.2890482488.

The spelling of 8015478551 in words is "eight billion, fifteen million, four hundred seventy-eight thousand, five hundred fifty-one".