36155781751 has 2 divisors, whose sum is σ = 36155781752. Its totient is φ = 36155781750.

The previous prime is 36155781691. The next prime is 36155781811. The reversal of 36155781751 is 15718755163.

It is a balanced prime because it is at equal distance from previous prime (36155781691) and next prime (36155781811).

It is an emirp because it is prime and its reverse (15718755163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36155781751 - 2²¹ = 36153684599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36155781695 and 36155781704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36155781551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18077890875 + 18077890876.

It is an arithmetic number, because the mean of its divisors is an integer number (18077890876).

Almost surely, 2^36155781751 is an apocalyptic number.

36155781751 is a deficient number, since it is larger than the sum of its proper divisors (1).

36155781751 is an equidigital number, since it uses as much as digits as its factorization.

36155781751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882000, while the sum is 49.

The spelling of 36155781751 in words is "thirty-six billion, one hundred fifty-five million, seven hundred eighty-one thousand, seven hundred fifty-one".