2001543546110 has 16 divisors (see below), whose sum is σ = 3603955432032. Its totient is φ = 800355852000.

The previous prime is 2001543546091. The next prime is 2001543546179. The reversal of 2001543546110 is 116453451002.

It is a super-2 number, since 2×2001543546110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32663666 + ... + 32724885.

It is an arithmetic number, because the mean of its divisors is an integer number (225247214502).

Almost surely, 2^{2001543546110} is an apocalyptic number.

2001543546110 is a deficient number, since it is larger than the sum of its proper divisors (1602411885922).

2001543546110 is a wasteful number, since it uses less digits than its factorization.

2001543546110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65391619.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 2001543546110 its reverse (116453451002), we get a palindrome (2117996997112).

The spelling of 2001543546110 in words is "two trillion, one billion, five hundred forty-three million, five hundred forty-six thousand, one hundred ten".