155355440541043 has 4 divisors (see below), whose sum is σ = 156384284518288. Its totient is φ = 154326596563800.

The previous prime is 155355440540983. The next prime is 155355440541083. The reversal of 155355440541043 is 340145044553551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155355440541043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155355440541083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514421988396 + ... + 514421988697.

It is an arithmetic number, because the mean of its divisors is an integer number (39096071129572).

Almost surely, 2^{155355440541043} is an apocalyptic number.

155355440541043 is a deficient number, since it is larger than the sum of its proper divisors (1028843977245).

155355440541043 is a wasteful number, since it uses less digits than its factorization.

155355440541043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028843977244.

The product of its (nonzero) digits is 7200000, while the sum is 49.

The spelling of 155355440541043 in words is "one hundred fifty-five trillion, three hundred fifty-five billion, four hundred forty million, five hundred forty-one thousand, forty-three".