1015561060064 has 12 divisors (see below), whose sum is σ = 1999385837064. Its totient is φ = 507780530016.

The previous prime is 1015561060043. The next prime is 1015561060067. The reversal of 1015561060064 is 4600601655101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015561060067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15868141532 + ... + 15868141595.

It is an arithmetic number, because the mean of its divisors is an integer number (166615486422).

Almost surely, 2^{1015561060064} is an apocalyptic number.

It is an amenable number.

1015561060064 is a deficient number, since it is larger than the sum of its proper divisors (983824777000).

1015561060064 is an equidigital number, since it uses as much as digits as its factorization.

1015561060064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31736283137 (or 31736283129 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 1015561060064 in words is "one trillion, fifteen billion, five hundred sixty-one million, sixty thousand, sixty-four".