36405547501 has 2 divisors, whose sum is σ = 36405547502. Its totient is φ = 36405547500.

The previous prime is 36405547489. The next prime is 36405547517. The reversal of 36405547501 is 10574550463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19590201225 + 16815346276 = 139965^2 + 129674^2 .

It is a cyclic number.

It is not a de Polignac number, because 36405547501 - 2¹³ = 36405539309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36405547571) 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, 18202773750 + 18202773751.

It is an arithmetic number, because the mean of its divisors is an integer number (18202773751).

Almost surely, 2^36405547501 is an apocalyptic number.

It is an amenable number.

36405547501 is a deficient number, since it is larger than the sum of its proper divisors (1).

36405547501 is an equidigital number, since it uses as much as digits as its factorization.

36405547501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 36405547501 in words is "thirty-six billion, four hundred five million, five hundred forty-seven thousand, five hundred one".