11736420733 has 2 divisors, whose sum is σ = 11736420734. Its totient is φ = 11736420732.

The previous prime is 11736420721. The next prime is 11736420737. The reversal of 11736420733 is 33702463711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7634914884 + 4101505849 = 87378^2 + 64043^2 .

It is a cyclic number.

It is not a de Polignac number, because 11736420733 - 2¹⁷ = 11736289661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11736420692 and 11736420701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11736420737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5868210366 + 5868210367.

It is an arithmetic number, because the mean of its divisors is an integer number (5868210367).

Almost surely, 2^11736420733 is an apocalyptic number.

It is an amenable number.

11736420733 is a deficient number, since it is larger than the sum of its proper divisors (1).

11736420733 is an equidigital number, since it uses as much as digits as its factorization.

11736420733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 11736420733 in words is "eleven billion, seven hundred thirty-six million, four hundred twenty thousand, seven hundred thirty-three".