36561153539 has 2 divisors, whose sum is σ = 36561153540. Its totient is φ = 36561153538.

The previous prime is 36561153527. The next prime is 36561153589. The reversal of 36561153539 is 93535116563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36561153539 - 2⁴ = 36561153523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36561153493 and 36561153502.

It is not a weakly prime, because it can be changed into another prime (36561153589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18280576769 + 18280576770.

It is an arithmetic number, because the mean of its divisors is an integer number (18280576770).

Almost surely, 2^36561153539 is an apocalyptic number.

36561153539 is a deficient number, since it is larger than the sum of its proper divisors (1).

36561153539 is an equidigital number, since it uses as much as digits as its factorization.

36561153539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1093500, while the sum is 47.

The spelling of 36561153539 in words is "thirty-six billion, five hundred sixty-one million, one hundred fifty-three thousand, five hundred thirty-nine".