34020687155 has 32 divisors (see below), whose sum is σ = 50607513600. Its totient is φ = 21379012992.

The previous prime is 34020687149. The next prime is 34020687241. The reversal of 34020687155 is 55178602043.

It is a cyclic number.

It is not a de Polignac number, because 34020687155 - 2⁸ = 34020686899 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 205715 + ... + 332204.

It is an arithmetic number, because the mean of its divisors is an integer number (1581484800).

Almost surely, 2^34020687155 is an apocalyptic number.

34020687155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

34020687155 is a deficient number, since it is larger than the sum of its proper divisors (16586826445).

34020687155 is a wasteful number, since it uses less digits than its factorization.

34020687155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538083.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 34020687155 in words is "thirty-four billion, twenty million, six hundred eighty-seven thousand, one hundred fifty-five".