36243155322461 has 4 divisors (see below), whose sum is σ = 36474003445692. Its totient is φ = 36012307199232.

The previous prime is 36243155322449. The next prime is 36243155322463. The reversal of 36243155322461 is 16422355134263.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25956029226436 + 10287126096025 = 5094706^2 + 3207355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36243155322461 is a prime.

It is a super-2 number, since 2×36243155322461² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36243155322463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115424061380 + ... + 115424061693.

It is an arithmetic number, because the mean of its divisors is an integer number (9118500861423).

Almost surely, 2^{36243155322461} is an apocalyptic number.

It is an amenable number.

36243155322461 is a deficient number, since it is larger than the sum of its proper divisors (230848123231).

36243155322461 is a wasteful number, since it uses less digits than its factorization.

36243155322461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230848123230.

The product of its digits is 3110400, while the sum is 47.

The spelling of 36243155322461 in words is "thirty-six trillion, two hundred forty-three billion, one hundred fifty-five million, three hundred twenty-two thousand, four hundred sixty-one".