36155530391 has 2 divisors, whose sum is σ = 36155530392. Its totient is φ = 36155530390.

The previous prime is 36155530387. The next prime is 36155530399. The reversal of 36155530391 is 19303555163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36155530391 - 2² = 36155530387 is a prime.

It is a super-2 number, since 2×36155530391² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36155530399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18077765195 + 18077765196.

It is an arithmetic number, because the mean of its divisors is an integer number (18077765196).

Almost surely, 2^36155530391 is an apocalyptic number.

36155530391 is a deficient number, since it is larger than the sum of its proper divisors (1).

36155530391 is an equidigital number, since it uses as much as digits as its factorization.

36155530391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 182250, while the sum is 41.

The spelling of 36155530391 in words is "thirty-six billion, one hundred fifty-five million, five hundred thirty thousand, three hundred ninety-one".