1015478180147 has 2 divisors, whose sum is σ = 1015478180148. Its totient is φ = 1015478180146.

The previous prime is 1015478180137. The next prime is 1015478180173. The reversal of 1015478180147 is 7410818745101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1015478180147 - 2¹² = 1015478176051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1015478180137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507739090073 + 507739090074.

It is an arithmetic number, because the mean of its divisors is an integer number (507739090074).

Almost surely, 2^{1015478180147} is an apocalyptic number.

1015478180147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015478180147 is an equidigital number, since it uses as much as digits as its factorization.

1015478180147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250880, while the sum is 47.

The spelling of 1015478180147 in words is "one trillion, fifteen billion, four hundred seventy-eight million, one hundred eighty thousand, one hundred forty-seven".