37988081113 has 2 divisors, whose sum is σ = 37988081114. Its totient is φ = 37988081112.

The previous prime is 37988081069. The next prime is 37988081239. The reversal of 37988081113 is 31118088973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30769369744 + 7218711369 = 175412^2 + 84963^2 .

It is a cyclic number.

It is not a de Polignac number, because 37988081113 - 2¹⁷ = 37987950041 is a prime.

It is not a weakly prime, because it can be changed into another prime (37988087113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18994040556 + 18994040557.

It is an arithmetic number, because the mean of its divisors is an integer number (18994040557).

Almost surely, 2^37988081113 is an apocalyptic number.

It is an amenable number.

37988081113 is a deficient number, since it is larger than the sum of its proper divisors (1).

37988081113 is an equidigital number, since it uses as much as digits as its factorization.

37988081113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 49.

The spelling of 37988081113 in words is "thirty-seven billion, nine hundred eighty-eight million, eighty-one thousand, one hundred thirteen".