28036737811 has 2 divisors, whose sum is σ = 28036737812. Its totient is φ = 28036737810.

The previous prime is 28036737767. The next prime is 28036737829. The reversal of 28036737811 is 11873763082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28036737811 - 2¹⁵ = 28036705043 is a prime.

It is not a weakly prime, because it can be changed into another prime (28036737511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14018368905 + 14018368906.

It is an arithmetic number, because the mean of its divisors is an integer number (14018368906).

Almost surely, 2^28036737811 is an apocalyptic number.

28036737811 is a deficient number, since it is larger than the sum of its proper divisors (1).

28036737811 is an equidigital number, since it uses as much as digits as its factorization.

28036737811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 28036737811 in words is "twenty-eight billion, thirty-six million, seven hundred thirty-seven thousand, eight hundred eleven".