34115522521 has 4 divisors (see below), whose sum is σ = 34674793444. Its totient is φ = 33556251600.

The previous prime is 34115522489. The next prime is 34115522543. The reversal of 34115522521 is 12522551143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12522551143 = 2801 ⋅4470743.

It can be written as a sum of positive squares in 2 ways, for example, as 11207186496 + 22908336025 = 105864^2 + 151355^2 .

It is a cyclic number.

It is not a de Polignac number, because 34115522521 - 2⁵ = 34115522489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34115522321) 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, 279635370 + ... + 279635491.

It is an arithmetic number, because the mean of its divisors is an integer number (8668698361).

Almost surely, 2^34115522521 is an apocalyptic number.

It is an amenable number.

34115522521 is a deficient number, since it is larger than the sum of its proper divisors (559270923).

34115522521 is an equidigital number, since it uses as much as digits as its factorization.

34115522521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559270922.

The product of its digits is 12000, while the sum is 31.

The spelling of 34115522521 in words is "thirty-four billion, one hundred fifteen million, five hundred twenty-two thousand, five hundred twenty-one".