36130401581 has 2 divisors, whose sum is σ = 36130401582. Its totient is φ = 36130401580.

The previous prime is 36130401551. The next prime is 36130401611. The reversal of 36130401581 is 18510403163.

It is a balanced prime because it is at equal distance from previous prime (36130401551) and next prime (36130401611).

It can be written as a sum of positive squares in only one way, i.e., 35989504681 + 140896900 = 189709^2 + 11870^2 .

It is a cyclic number.

It is not a de Polignac number, because 36130401581 - 2¹⁰ = 36130400557 is a prime.

It is a super-2 number, since 2×36130401581² (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 (36130401551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18065200790 + 18065200791.

It is an arithmetic number, because the mean of its divisors is an integer number (18065200791).

Almost surely, 2^36130401581 is an apocalyptic number.

It is an amenable number.

36130401581 is a deficient number, since it is larger than the sum of its proper divisors (1).

36130401581 is an equidigital number, since it uses as much as digits as its factorization.

36130401581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 36130401581 in words is "thirty-six billion, one hundred thirty million, four hundred one thousand, five hundred eighty-one".