155378474462593 has 8 divisors (see below), whose sum is σ = 157603778994816. Its totient is φ = 153154194244800.

The previous prime is 155378474462567. The next prime is 155378474462689. The reversal of 155378474462593 is 395264474873551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155378474462593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155378474462093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 255773053 + ... + 256379818.

It is an arithmetic number, because the mean of its divisors is an integer number (19700472374352).

Almost surely, 2^{155378474462593} is an apocalyptic number.

It is an amenable number.

155378474462593 is a deficient number, since it is larger than the sum of its proper divisors (2225304532223).

155378474462593 is an equidigital number, since it uses as much as digits as its factorization.

155378474462593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512157215.

The product of its digits is 3048192000, while the sum is 73.

The spelling of 155378474462593 in words is "one hundred fifty-five trillion, three hundred seventy-eight billion, four hundred seventy-four million, four hundred sixty-two thousand, five hundred ninety-three".