37806538752011 has 2 divisors, whose sum is σ = 37806538752012. Its totient is φ = 37806538752010.

The previous prime is 37806538751987. The next prime is 37806538752133. The reversal of 37806538752011 is 11025783560873.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37806538752011 - 2²² = 37806534557707 is a prime.

It is a super-2 number, since 2×37806538752011² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (37806538752211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18903269376005 + 18903269376006.

It is an arithmetic number, because the mean of its divisors is an integer number (18903269376006).

Almost surely, 2^{37806538752011} is an apocalyptic number.

37806538752011 is a deficient number, since it is larger than the sum of its proper divisors (1).

37806538752011 is an equidigital number, since it uses as much as digits as its factorization.

37806538752011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 37806538752011 in words is "thirty-seven trillion, eight hundred six billion, five hundred thirty-eight million, seven hundred fifty-two thousand, eleven".