15540000011 has 2 divisors, whose sum is σ = 15540000012. Its totient is φ = 15540000010.

The previous prime is 15539999987. The next prime is 15540000017. The reversal of 15540000011 is 11000004551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15540000011 - 2¹⁰ = 15539998987 is a prime.

It is not a weakly prime, because it can be changed into another prime (15540000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7770000005 + 7770000006.

It is an arithmetic number, because the mean of its divisors is an integer number (7770000006).

Almost surely, 2^15540000011 is an apocalyptic number.

15540000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

15540000011 is an equidigital number, since it uses as much as digits as its factorization.

15540000011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 17.

Adding to 15540000011 its reverse (11000004551), we get a palindrome (26540004562).

The spelling of 15540000011 in words is "fifteen billion, five hundred forty million, eleven", and thus it is an aban number.