2001264562695 has 32 divisors (see below), whose sum is σ = 3213385919424. Its totient is φ = 1063559168000.

The previous prime is 2001264562681. The next prime is 2001264562699. The reversal of 2001264562695 is 5962654621002.

It is not a de Polignac number, because 2001264562695 - 2⁷ = 2001264562567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001264562699) 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, 5557735 + ... + 5906855.

It is an arithmetic number, because the mean of its divisors is an integer number (100418309982).

Almost surely, 2^{2001264562695} is an apocalyptic number.

2001264562695 is a deficient number, since it is larger than the sum of its proper divisors (1212121356729).

2001264562695 is a wasteful number, since it uses less digits than its factorization.

2001264562695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350483.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 2001264562695 in words is "two trillion, one billion, two hundred sixty-four million, five hundred sixty-two thousand, six hundred ninety-five".