155379680443 has 8 divisors (see below), whose sum is σ = 167436503136. Its totient is φ = 143337792000.

The previous prime is 155379680411. The next prime is 155379680447. The reversal of 155379680443 is 344086973551.

It is a happy number.

155379680443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 155379680443 - 2⁵ = 155379680411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155379680447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3711943 + ... + 3753568.

It is an arithmetic number, because the mean of its divisors is an integer number (20929562892).

Almost surely, 2^155379680443 is an apocalyptic number.

155379680443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

155379680443 is a deficient number, since it is larger than the sum of its proper divisors (12056822693).

155379680443 is a wasteful number, since it uses less digits than its factorization.

155379680443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7467125.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 155379680443 in words is "one hundred fifty-five billion, three hundred seventy-nine million, six hundred eighty thousand, four hundred forty-three".