1000959645505 has 32 divisors (see below), whose sum is σ = 1245846666240. Its totient is φ = 771118548480.

The previous prime is 1000959645473. The next prime is 1000959645509. The reversal of 1000959645505 is 5055469590001.

It is not a de Polignac number, because 1000959645505 - 2⁵ = 1000959645473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000959645509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172368312 + ... + 172374118.

It is an arithmetic number, because the mean of its divisors is an integer number (38932708320).

Almost surely, 2^{1000959645505} is an apocalyptic number.

It is an amenable number.

1000959645505 is a deficient number, since it is larger than the sum of its proper divisors (244887020735).

1000959645505 is a wasteful number, since it uses less digits than its factorization.

1000959645505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8769.

The product of its (nonzero) digits is 1215000, while the sum is 49.

The spelling of 1000959645505 in words is "one trillion, nine hundred fifty-nine million, six hundred forty-five thousand, five hundred five".