155000343035405 has 32 divisors (see below), whose sum is σ = 217242277344000. Its totient is φ = 106123183123776.

The previous prime is 155000343035389. The next prime is 155000343035449. The reversal of 155000343035405 is 504530343000551.

It is not a de Polignac number, because 155000343035405 - 2⁴ = 155000343035389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68083175 + ... + 70322964.

It is an arithmetic number, because the mean of its divisors is an integer number (6788821167000).

Almost surely, 2^{155000343035405} is an apocalyptic number.

It is an amenable number.

155000343035405 is a deficient number, since it is larger than the sum of its proper divisors (62241934308595).

155000343035405 is an equidigital number, since it uses as much as digits as its factorization.

155000343035405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138406818 (or 138406804 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 155000343035405 its reverse (504530343000551), we get a palindrome (659530686035956).

The spelling of 155000343035405 in words is "one hundred fifty-five trillion, three hundred forty-three million, thirty-five thousand, four hundred five".