67540053411 has 48 divisors (see below), whose sum is σ = 103728643200. Its totient is φ = 42276858624.

The previous prime is 67540053391. The next prime is 67540053419. The reversal of 67540053411 is 11435004576.

67540053411 is a `hidden beast` number, since 6 + 75 + 40 + 0 + 534 + 11 = 666.

It is not a de Polignac number, because 67540053411 - 2⁵ = 67540053379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67540053419) 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 47 ways as a sum of consecutive naturals, for example, 1908385 + ... + 1943453.

It is an arithmetic number, because the mean of its divisors is an integer number (2161013400).

Almost surely, 2^67540053411 is an apocalyptic number.

67540053411 is a deficient number, since it is larger than the sum of its proper divisors (36188589789).

67540053411 is a wasteful number, since it uses less digits than its factorization.

67540053411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35308 (or 35305 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 67540053411 its reverse (11435004576), we get a palindrome (78975057987).

The spelling of 67540053411 in words is "sixty-seven billion, five hundred forty million, fifty-three thousand, four hundred eleven".