45611555656637 has 2 divisors, whose sum is σ = 45611555656638. Its totient is φ = 45611555656636.

The previous prime is 45611555656627. The next prime is 45611555656669. The reversal of 45611555656637 is 73665655511654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34878816177241 + 10732739479396 = 5905829^2 + 3276086^2 .

It is a cyclic number.

It is not a de Polignac number, because 45611555656637 - 2²² = 45611551462333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45611555656627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22805777828318 + 22805777828319.

It is an arithmetic number, because the mean of its divisors is an integer number (22805777828319).

Almost surely, 2^{45611555656637} is an apocalyptic number.

It is an amenable number.

45611555656637 is a deficient number, since it is larger than the sum of its proper divisors (1).

45611555656637 is an equidigital number, since it uses as much as digits as its factorization.

45611555656637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200000, while the sum is 65.

The spelling of 45611555656637 in words is "forty-five trillion, six hundred eleven billion, five hundred fifty-five million, six hundred fifty-six thousand, six hundred thirty-seven".