11551234452001 has 4 divisors (see below), whose sum is σ = 11551242885012. Its totient is φ = 11551226018992.

The previous prime is 11551234451963. The next prime is 11551234452067. The reversal of 11551234452001 is 10025443215511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3861283950225 + 7689950501776 = 1965015^2 + 2773076^2 .

It is a cyclic number.

It is not a de Polignac number, because 11551234452001 - 2¹⁵ = 11551234419233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11551234452071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635046 + ... + 5076991.

It is an arithmetic number, because the mean of its divisors is an integer number (2887810721253).

Almost surely, 2^{11551234452001} is an apocalyptic number.

It is an amenable number.

11551234452001 is a deficient number, since it is larger than the sum of its proper divisors (8433011).

11551234452001 is an equidigital number, since it uses as much as digits as its factorization.

11551234452001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8433010.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 11551234452001 its reverse (10025443215511), we get a palindrome (21576677667512).

The spelling of 11551234452001 in words is "eleven trillion, five hundred fifty-one billion, two hundred thirty-four million, four hundred fifty-two thousand, one".