2001510564106 has 4 divisors (see below), whose sum is σ = 3002265846162. Its totient is φ = 1000755282052.

The previous prime is 2001510564103. The next prime is 2001510564113. The reversal of 2001510564106 is 6014650151002.

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

It can be written as a sum of positive squares in only one way, i.e., 1058069390625 + 943441173481 = 1028625^2 + 971309^2 .

It is not an unprimeable number, because it can be changed into a prime (2001510564101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500377641025 + ... + 500377641028.

Almost surely, 2^{2001510564106} is an apocalyptic number.

2001510564106 is a deficient number, since it is larger than the sum of its proper divisors (1000755282056).

2001510564106 is a wasteful number, since it uses less digits than its factorization.

2001510564106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000755282055.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 2001510564106 in words is "two trillion, one billion, five hundred ten million, five hundred sixty-four thousand, one hundred six".