134604621541511 has 32 divisors (see below), whose sum is σ = 147235288232448. Its totient is φ = 122040135383040.

The previous prime is 134604621541501. The next prime is 134604621541541. The reversal of 134604621541511 is 115145126406431.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134604621541511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134604621541501) by changing a digit.

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, 43888039400 + ... + 43888042466.

It is an arithmetic number, because the mean of its divisors is an integer number (4601102757264).

Almost surely, 2^{134604621541511} is an apocalyptic number.

134604621541511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134604621541511 is a deficient number, since it is larger than the sum of its proper divisors (12630666690937).

134604621541511 is a wasteful number, since it uses less digits than its factorization.

134604621541511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8711.

The product of its (nonzero) digits is 345600, while the sum is 44.

Adding to 134604621541511 its reverse (115145126406431), we get a palindrome (249749747947942).

The spelling of 134604621541511 in words is "one hundred thirty-four trillion, six hundred four billion, six hundred twenty-one million, five hundred forty-one thousand, five hundred eleven".