36574721551 has 2 divisors, whose sum is σ = 36574721552. Its totient is φ = 36574721550.

The previous prime is 36574721543. The next prime is 36574721569. The reversal of 36574721551 is 15512747563.

It is a weak prime.

It is an emirp because it is prime and its reverse (15512747563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36574721551 - 2³ = 36574721543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36574721531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18287360775 + 18287360776.

It is an arithmetic number, because the mean of its divisors is an integer number (18287360776).

Almost surely, 2^36574721551 is an apocalyptic number.

36574721551 is a deficient number, since it is larger than the sum of its proper divisors (1).

36574721551 is an equidigital number, since it uses as much as digits as its factorization.

36574721551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882000, while the sum is 46.

The spelling of 36574721551 in words is "thirty-six billion, five hundred seventy-four million, seven hundred twenty-one thousand, five hundred fifty-one".