2011001544004 has 6 divisors (see below), whose sum is σ = 3519252702014. Its totient is φ = 1005500772000.

The previous prime is 2011001543989. The next prime is 2011001544037. The reversal of 2011001544004 is 4004451001102.

It can be written as a sum of positive squares in only one way, i.e., 1921001544004 + 90000000000 = 1386002^2 + 300000^2 .

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 as a sum of consecutive naturals, namely, 251375192997 + ... + 251375193004.

Almost surely, 2^{2011001544004} is an apocalyptic number.

It is an amenable number.

2011001544004 is a deficient number, since it is larger than the sum of its proper divisors (1508251158010).

2011001544004 is a wasteful number, since it uses less digits than its factorization.

2011001544004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502750386005 (or 502750386003 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 2011001544004 its reverse (4004451001102), we get a palindrome (6015452545106).

The spelling of 2011001544004 in words is "two trillion, eleven billion, one million, five hundred forty-four thousand, four".