15611045652001 has 2 divisors, whose sum is σ = 15611045652002. Its totient is φ = 15611045652000.

The previous prime is 15611045651987. The next prime is 15611045652043. The reversal of 15611045652001 is 10025654011651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13843943355025 + 1767102296976 = 3720745^2 + 1329324^2 .

It is a cyclic number.

It is not a de Polignac number, because 15611045652001 - 2⁹ = 15611045651489 is a prime.

It is not a weakly prime, because it can be changed into another prime (15611045652901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7805522826000 + 7805522826001.

It is an arithmetic number, because the mean of its divisors is an integer number (7805522826001).

Almost surely, 2^{15611045652001} is an apocalyptic number.

It is an amenable number.

15611045652001 is a deficient number, since it is larger than the sum of its proper divisors (1).

15611045652001 is an equidigital number, since it uses as much as digits as its factorization.

15611045652001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 37.

Adding to 15611045652001 its reverse (10025654011651), we get a palindrome (25636699663652).

The spelling of 15611045652001 in words is "fifteen trillion, six hundred eleven billion, forty-five million, six hundred fifty-two thousand, one".