34115555551 has 16 divisors (see below), whose sum is σ = 42685072128. Its totient is φ = 26488929600.

The previous prime is 34115555497. The next prime is 34115555567. The reversal of 34115555551 is 15555551143.

It is not a de Polignac number, because 34115555551 - 2¹¹ = 34115553503 is a prime.

It is a super-2 number, since 2×34115555551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34115555351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766725 + ... + 809998.

It is an arithmetic number, because the mean of its divisors is an integer number (2667817008).

Almost surely, 2^34115555551 is an apocalyptic number.

34115555551 is a deficient number, since it is larger than the sum of its proper divisors (8569516577).

34115555551 is a wasteful number, since it uses less digits than its factorization.

34115555551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577022.

The product of its digits is 187500, while the sum is 40.

The spelling of 34115555551 in words is "thirty-four billion, one hundred fifteen million, five hundred fifty-five thousand, five hundred fifty-one".