155332323451 has 2 divisors, whose sum is σ = 155332323452. Its totient is φ = 155332323450.

The previous prime is 155332323427. The next prime is 155332323469. The reversal of 155332323451 is 154323233551.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155332323451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155332323451.

It is not a weakly prime, because it can be changed into another prime (155332323851) 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, 77666161725 + 77666161726.

It is an arithmetic number, because the mean of its divisors is an integer number (77666161726).

Almost surely, 2^155332323451 is an apocalyptic number.

155332323451 is a deficient number, since it is larger than the sum of its proper divisors (1).

155332323451 is an equidigital number, since it uses as much as digits as its factorization.

155332323451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 37.

The spelling of 155332323451 in words is "one hundred fifty-five billion, three hundred thirty-two million, three hundred twenty-three thousand, four hundred fifty-one".