155799380746 has 8 divisors (see below), whose sum is σ = 233700766560. Its totient is φ = 77899125228.

The previous prime is 155799380717. The next prime is 155799380747. The reversal of 155799380746 is 647083997551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (155799380747) 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 in 3 ways as a sum of consecutive naturals, for example, 313525 + ... + 640231.

It is an arithmetic number, because the mean of its divisors is an integer number (29212595820).

Almost surely, 2^155799380746 is an apocalyptic number.

155799380746 is a deficient number, since it is larger than the sum of its proper divisors (77901385814).

155799380746 is a wasteful number, since it uses less digits than its factorization.

155799380746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565148.

The product of its (nonzero) digits is 57153600, while the sum is 64.

The spelling of 155799380746 in words is "one hundred fifty-five billion, seven hundred ninety-nine million, three hundred eighty thousand, seven hundred forty-six".