15485752811 has 2 divisors, whose sum is σ = 15485752812. Its totient is φ = 15485752810.

The previous prime is 15485752787. The next prime is 15485752819. The reversal of 15485752811 is 11825758451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15485752811 is a prime.

It is not a weakly prime, because it can be changed into another prime (15485752819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7742876405 + 7742876406.

It is an arithmetic number, because the mean of its divisors is an integer number (7742876406).

Almost surely, 2^15485752811 is an apocalyptic number.

15485752811 is a deficient number, since it is larger than the sum of its proper divisors (1).

15485752811 is an equidigital number, since it uses as much as digits as its factorization.

15485752811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448000, while the sum is 47.

The spelling of 15485752811 in words is "fifteen billion, four hundred eighty-five million, seven hundred fifty-two thousand, eight hundred eleven".