34361211521 has 16 divisors (see below), whose sum is σ = 42512160768. Its totient is φ = 27044539200.

The previous prime is 34361211517. The next prime is 34361211553. The reversal of 34361211521 is 12511216343.

It is not a de Polignac number, because 34361211521 - 2² = 34361211517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34361216521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971090 + ... + 1005851.

It is an arithmetic number, because the mean of its divisors is an integer number (2657010048).

Almost surely, 2^34361211521 is an apocalyptic number.

It is an amenable number.

34361211521 is a deficient number, since it is larger than the sum of its proper divisors (8150949247).

34361211521 is a wasteful number, since it uses less digits than its factorization.

34361211521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977152.

The product of its digits is 4320, while the sum is 29.

Adding to 34361211521 its reverse (12511216343), we get a palindrome (46872427864).

The spelling of 34361211521 in words is "thirty-four billion, three hundred sixty-one million, two hundred eleven thousand, five hundred twenty-one".