64136011 has 2 divisors, whose sum is σ = 64136012. Its totient is φ = 64136010.

The previous prime is 64135999. The next prime is 64136027. The reversal of 64136011 is 11063146.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64136011 is a prime.

It is a super-2 number, since 2×64136011² = 8226855813984242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64136411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32068005 + 32068006.

It is an arithmetic number, because the mean of its divisors is an integer number (32068006).

Almost surely, 2^64136011 is an apocalyptic number.

64136011 is a deficient number, since it is larger than the sum of its proper divisors (1).

64136011 is an equidigital number, since it uses as much as digits as its factorization.

64136011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 64136011 is about 8008.4961759372. The cubic root of 64136011 is about 400.2831557597.

Adding to 64136011 its reverse (11063146), we get a palindrome (75199157).

The spelling of 64136011 in words is "sixty-four million, one hundred thirty-six thousand, eleven".