72412045440451 has 2 divisors, whose sum is σ = 72412045440452. Its totient is φ = 72412045440450.

The previous prime is 72412045440439. The next prime is 72412045440547. The reversal of 72412045440451 is 15404454021427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72412045440451 - 2¹⁹ = 72412044916163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72412045440398 and 72412045440407.

It is not a weakly prime, because it can be changed into another prime (72412045440751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36206022720225 + 36206022720226.

It is an arithmetic number, because the mean of its divisors is an integer number (36206022720226).

Almost surely, 2^{72412045440451} is an apocalyptic number.

72412045440451 is a deficient number, since it is larger than the sum of its proper divisors (1).

72412045440451 is an equidigital number, since it uses as much as digits as its factorization.

72412045440451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 716800, while the sum is 43.

Adding to 72412045440451 its reverse (15404454021427), we get a palindrome (87816499461878).

The spelling of 72412045440451 in words is "seventy-two trillion, four hundred twelve billion, forty-five million, four hundred forty thousand, four hundred fifty-one".