155064765037768 has 16 divisors (see below), whose sum is σ = 295512769437660. Its totient is φ = 76261359854400.

The previous prime is 155064765037757. The next prime is 155064765037799. The reversal of 155064765037768 is 867730567460551.

It can be written as a sum of positive squares in 2 ways, for example, as 96123553364644 + 58941211673124 = 9804262^2 + 7677318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155064765037697 and 155064765037706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158877832543 + ... + 158877833518.

Almost surely, 2^{155064765037768} is an apocalyptic number.

It is an amenable number.

155064765037768 is a deficient number, since it is larger than the sum of its proper divisors (140448004399892).

155064765037768 is a wasteful number, since it uses less digits than its factorization.

155064765037768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317755666128 (or 317755666124 counting only the distinct ones).

The product of its (nonzero) digits is 889056000, while the sum is 70.

The spelling of 155064765037768 in words is "one hundred fifty-five trillion, sixty-four billion, seven hundred sixty-five million, thirty-seven thousand, seven hundred sixty-eight".