37063880561 has 2 divisors, whose sum is σ = 37063880562. Its totient is φ = 37063880560.

The previous prime is 37063880531. The next prime is 37063880569. The reversal of 37063880561 is 16508836073.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35938680625 + 1125199936 = 189575^2 + 33544^2 .

It is a cyclic number.

It is not a de Polignac number, because 37063880561 - 2³⁴ = 19884011377 is a prime.

It is not a weakly prime, because it can be changed into another prime (37063880569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18531940280 + 18531940281.

It is an arithmetic number, because the mean of its divisors is an integer number (18531940281).

Almost surely, 2^37063880561 is an apocalyptic number.

It is an amenable number.

37063880561 is a deficient number, since it is larger than the sum of its proper divisors (1).

37063880561 is an equidigital number, since it uses as much as digits as its factorization.

37063880561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 37063880561 in words is "thirty-seven billion, sixty-three million, eight hundred eighty thousand, five hundred sixty-one".