1000066651015 has 4 divisors (see below), whose sum is σ = 1200079981224. Its totient is φ = 800053320808.

The previous prime is 1000066651013. The next prime is 1000066651033. The reversal of 1000066651015 is 5101566600001.

1000066651015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000066651015 - 2¹ = 1000066651013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000066651013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100006665097 + ... + 100006665106.

It is an arithmetic number, because the mean of its divisors is an integer number (300019995306).

Almost surely, 2^{1000066651015} is an apocalyptic number.

1000066651015 is a deficient number, since it is larger than the sum of its proper divisors (200013330209).

1000066651015 is an equidigital number, since it uses as much as digits as its factorization.

1000066651015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200013330208.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1000066651015 in words is "one trillion, sixty-six million, six hundred fifty-one thousand, fifteen".