2001052454154 has 24 divisors (see below), whose sum is σ = 4333640228352. Its totient is φ = 615708447120.

The previous prime is 2001052454143. The next prime is 2001052454189. The reversal of 2001052454154 is 4514542501002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 986711242 + ... + 986713269.

It is an arithmetic number, because the mean of its divisors is an integer number (180568342848).

Almost surely, 2^{2001052454154} is an apocalyptic number.

2001052454154 is an abundant number, since it is smaller than the sum of its proper divisors (2332587774198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001052454154 is a wasteful number, since it uses less digits than its factorization.

2001052454154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973424542 (or 1973424529 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 2001052454154 its reverse (4514542501002), we get a palindrome (6515594955156).

The spelling of 2001052454154 in words is "two trillion, one billion, fifty-two million, four hundred fifty-four thousand, one hundred fifty-four".